Interview Prep

t9xctu: registration trunks are CUBE only and up to 250 concurrent calls. Certificate trunks are the path above 250 and can use other device types the article lists. Endpoints do not register through the Local Gateway.

Local Gateway terminates the Calling trunk. BRKCOL-2312 describes Survivability Gateway as a site gateway, managed from Control Hub, that routes internal, external, and emergency calls during an outage. It is not a registration proxy for the phones.

jr1i3r: commercial crypto is AES_CM_128_HMAC_SHA1_80, and the article says Webex Calling only supports SHA1_80. For Government that SHA1 step is not applicable. AEAD_AES_256_GCM is mandatory, the trunk is certificate-based, and CUBE is the only SBC t9xctu names.

t9xctu: every SIP transaction the gateway starts, including OPTIONS, needs a Contact header with the gateway FQDN. Without that FQDN, Control Hub does not show the gateway online.

What is destination-pattern BAD.BAD for: jr1i3r: it is a dummy pattern required when outbound calls are routed with an inbound dial-peer group. It is not a number you assign to a user.

Cisco document 211306: incoming URI via, then request, then to, then from, then called-number, then calling number or answer-address, then destination-pattern against the ANI. The first matching criterion wins. It is not a digit-by-digit hunt.

What does dial-peer hunt 0 do: Longest match, then explicit preference (a lower number is better), then random. huntstop stops the gateway from trying the next peer after a failure.

Article 2zx7fg is for registration-based Local Gateways. It checks the Webex-facing dial-peers, tenant, and trustpoint. It does not validate the PSTN or PBX dial plan.

jr1i3r’s method is Diagnostic Signatures. DS 64224 disables all debugs and uninstalls the signatures at 75 percent CPU. The IOS routing article is where ccapi inout is printed, for a call that fails the first peer and hunts.

jr1i3r: stun usage ice lite on the Webex-facing dial-peers lets media optimize. Recording and other services that need cloud media cannot be optimized that way.

The configuration workflow sends destinations Webex Calling does not own, including Unified CM extensions it has not learned, to the Local Gateway. Each moved group needs dial-plan updates on Unified CM, Webex Calling, and the gateways.

CallManager System Guide, Release 4.0(1), chapter Partitions and Calling Search Spaces: digit analysis searches every partition in the CSS and keeps the closest match. If two partitions have an equal match, the one listed first wins. The null partition is searched last. The CUCM 12.5 troubleshooting chapter restates the same rule.

The System Guide says CallManager concatenates them and places the line CSS in front of the device CSS. A combined CSS clause is capped at 1024 characters including separators. An individual CSS is 512.

Cite both sentences in nhvl4hw. One says Webex is the default value if you only have Calling. A later sentence says Dubber is chosen by default because Dubber Go is included with the user entitlement. This Canon does not screenshot the live control. Webex retention is one year and 100 GB. Dubber Go is 30 days in the user portal.

The location default, or another telephone number from that same location. A number from a different location is not that rule.

What does 933 prove in the United States and Canada: It tests emergency-call email generation. It does not alert public safety personnel. Kari’s Law notification is a separate Control Hub toggle.

Cisco Calling Plan, Cloud Connected PSTN, and premises PSTN through a Local Gateway trunk. Cisco PSTN is a paid option. It is not “paired” with the trunk by default.

jr1i3r includes sample registrar credentials. This Canon does not copy them. Use the trunk identity Control Hub generated.

To the Webex Calling service. Not through the Local Gateway, and not through Survivability Gateway as a normal registration path.

crypto pki trustpool import clean url https://www.cisco.com/security/pki/trs/ios_core.p7b, the bundle jr1i3r names. Build the ACL from b2exve, revision history September 07, 2026, not from BRKCOL-2812 (2024). That article names certificate signaling destination TCP 5062, registration destination TCP 8934, phone signaling source ports 5060–5280 with the devices protocol cell blank, and local-gateway media source UDP 8000–48199 toward 5004, 9000, 8500–8699, and 19560–65535.

utqcm7: an entry point is where the contact enters, and a flow is attached through a routing strategy. nfrs2adb: the strategy has dates, times in 0000–2400, weekdays, and a flow that is live or the latest version. You can flag one strategy as the default. The article recommends moving toward Business Hours without deleting existing strategies.

ewuay1: a strategy cannot customize outdial features such as flow, music, and outdial queues, and it cannot use Customize ANI, screen pop, or a global variable. Use a flow when you need those. An entry point name is at most 80 characters: letters, numbers, underscore, hyphen.

np2fdx names Longest Available, Circular, and Linear/Top-down, plus skill criteria. ubg5qd: a non-skill team queue defaults to Longest Available. A non-skill agent-assignment queue defaults to Circular and can use Top-down. Best Available scores proficiency and is a skill-queue pattern. There is no fifth global name in these articles. If a screen shows another name, read np2fdx and ubg5qd before you teach it.

ubg5qd: 1000 agents. That is not the team-queue cap, and it is not a tenant cap.

np2fdx: queue skill criteria select implicit agents. The team does not associate those skills. Skills injected in the flow can relax over call-distribution groups. Weights do not change Longest Available. Boolean, text, and enum skills decide eligibility. They are not a score. Best Available uses proficiency, and a less-than test is scored as 10 minus the value.

nhovcy4: a variable queue cannot take skill requirements. The contact is routed Longest Available even if the queue was configured with another algorithm. An invalid id uses the fallback queue.

Get Queue Info returns −1 for a team-assignment queue that also has skills in the flow. Success means both position in queue and estimated wait are positive. Insufficient Information means position is valid and estimated wait is −1. The Erlang number in the Canon lab is a study model, not this EWT.

Play Message or Play Music. nhovcy4 says an HTTP Request immediately after Queue Contact may not see the data.

utqcm7: QueueToAgent is voice, aimed at an agent id. Connect is the non-telephony path. Chat and email on Connect are not the same thing as the CRM connectors, which exclude those channels.

Cisco’s connector launches the agent Desktop inside Salesforce, Dynamics 365, or ServiceNow. Chat and email are not supported on those connectors. On-premises Dynamics is not supported. CIF 1 is single-session. CIF 2 is multi-session. This connector is not Microsoft’s product Dynamics 365 Contact Center.

What are the Search API windows: The developer page: FROM cannot be older than 36 months, and the query span cannot exceed 365 days. Scopes are cjp:config or cjp:config_read. The caller is an Admin or a Supervisor.

No. py6u9h states those feature SKUs for Webex Contact Center Enterprise, Contact Center Enterprise, and Contact Center Express.

No. The build-and-manage article is for Webex Contact Center flows. T4-R01 does not assign that tool to Enterprise scripting.

nfrs2adb: not email or chat. The strategy article’s music setting is a telephony concern.

What is the sign-in rule for teams on a queue: np2fdx: an agent is offered work from the team they are signed into. Check Agent Availability skips an empty group. Agent-assignment does not use timed expansion the way team call-distribution groups do.

Contact Center → Customer experience → Queues, as ubg5qd uses that path. utqcm7 says user profiles scope sites, teams, queues, and entry points, and queues are global so they must be granted. That article does not print a custom-role toggle name for the menu. Read utqcm7 before you name one.

What priority does Flow Designer apply when the variable is 15: nhovcy4: legal priorities are 1 through 9. Outside that range the default is 10. Fifteen does not mean first.

The E.164 number. The extension is not the DNIS in that case.

No. nmhk7ve lists Unified Contact Center Express, Unified Contact Center Enterprise, Packaged Contact Center Enterprise, Webex Contact Center Enterprise, and Webex Contact Center as different products. Do not answer a migration question by renaming a node.

No. Those names belong to the enterprise products’ component documentation. utqcm7’s multi-tenant picture is entry point, flow, queue, team, and agent. T6-R04 says the same and keeps ICM, CVP, CUIC, and Finesse on marked rows. T4-R02, the component room, is still planned.

Yes. Open T6-R04. It cites the Unified CCX discovery tool, the Webex Contact Center 1.0 upgrade, and the Webex CCE portal copy. The ICM script, CVP, skill group, peripheral, CUIC, Finesse, and UCCE dialed-number rows stay marked. None of those tools imports an ICM script into Flow Designer.

There is no cited UCCE cutover order in this Canon. For Unified CM to multi-tenant Calling, the cited order is PPDIO, and a shared hunt, queue, line, pickup, or park moves as one batch. Do not reuse that calling batch rule as if it were an ICM script rule.

A cloud contact center for large enterprises. It is not multi-tenant WxCC, and it is not on-premises UCCE.

What is the Quick Deployment range, and what is it not: nyosarq: 500 to 24,000 concurrent agents, initial solution in the United States, agents in the United States, a fixed day-1 feature set. It is not the product maximum. A 5,000-agent figure in ny65x1bb is one customer with 20,000 users.

Standard: inbound and outbound voice, a browser desktop, web and voice callbacks. Premium adds email and web chat, multi-channel reporting, and supervisor monitoring and barge-in. DTMF IVR, Virtual Assistant–Voice, and nailed-up mobile agent are day-1 items for the offer, not Premium-only.

Assurance to Quality, A2Q. They are not in the initial deployment, and they add time.

ny65x1bb: inbound media is Local Gateway to the agent. After transfer to a back-office user on Dedicated Instance, media is Local Gateway to that user. It is not bridged through the agent. That is one design, not a rule that every transfer works this way.

Does one Edge Connect peer replace the two-link DI rule: No. ny65x1bb describes one peer toward Dedicated Instance and Webex Contact Center Enterprise. n68tcpb and tf6kpq still require two Dedicated Instance connections to two data centers. A single physical link is still the wrong order.

nbedetf names a complex dial plan as a reason to consider staying on Unified CM. Dedicated Instance is the add-on that keeps Unified CM, Unity Connection, and Expressway in the Webex cloud. It is purchased before activation, and the region cannot be moved afterward.

What must a DI CM group contain: 0ppivs: Unified CM nodes from both data centers in the region. Do not start the CallManager service on the publisher. Additional services of that kind should not be enabled.

Documented calling moves in the Canon are Unified CM (nbedetf and the T6-R02 workflow) and BroadWorks or BroadCloud. Contact center: T6-R04 cites the tools Cisco published and labels the UCCE/PCCE cutover as a Canon method, not a Cisco runbook. T6-R01 is a separate Canon planning room for a 2,000-seat CUCM plus UCCE scenario. That seat count is the scenario, not a Cisco scale number, and the runbook is not a Cisco document. Third-party PBX maps are T6-R05, still planned.

8821 and 8831. 7800 and other 8800 phones can use Control Hub’s migrate-to-Webex-Calling tool. An 8800 on V15 needs at least 11.3.3 MPP and cannot downgrade to an earlier MPP load.

What does do_not_move_phone belong to: The BroadWorks migration only. It is not a flag on the Unified CM tool, and it is not a UCCE agent attribute.

Open T6-R04. The products are different. A UCCE dialed number is a marked row. The 1.0 article does move a Dialed Number–Entry Point pair, and that sentence is about Webex Contact Center 1.0. Then describe an entry point from utqcm7, with a routing strategy and a flow, without claiming it replaces a UCCE dialed number.

T2-R06 cites 5h5d8ab: Services > Calling > Settings > Webex App tab > Security. The feature is disabled until that toggle is on.

T2-R06: recording makes the service process media, so E2EE is disabled. Quote 5h5d8ab rather than promising both.

T2-R06: up to 1000 participants, MLS. PSTN and SIP devices are not in those meetings.

T7-R01 and T2-R02: certificate-trunk destination TCP 5062, registration-trunk destination TCP 8934.

No. T7-R01: those ports sit under SIP TLS. The parent protocol cell is TCP. The devices protocol cell is blank.

T2-R03 cites njvdjf2: 2–10 digits, default 4. Lengthening it does not rewrite existing speed dials.

How many trunks can a route group hold: T2-R03 cites n0xb944: 1 to 10.

What does 760wbi allow a Calling administrator to hold: T1-R01: up to 250 assigned locations. The delegation drop-down selects up to five. That is not an organization-wide location cap.

T1-R06 cites frj1efb: 21 days, under Monitoring → Troubleshooting.

How big is a Troubleshooting CSV: T1-R06: up to 100 records, for the tab you are on.

When can you collect Webex App logs: T1-R06 cites z84p2bb: the user must be online. Uploaded logs last 30 days.

T1-R01 cites nyx7kubb: not from the IdP. Use the Control Hub SSO test. Flows are service-provider initiated.

What claim does partner SSO use: T1-R01: mail, not uid.

What happens to the Detailed Call History role: T1-R01: new assignment is obsolete. Existing access stays operational until December 31, 2026.

Who cannot use cloud PSTN: T6-R01 cites n0xb944: calls that originate from premises users.

T6-R01: up to 250 prefers registration OTT. About 250–2000 prefers certificate OTT. About 2000–6500 prefers certificate interconnect. Do not flatten those bands.

What is the commercial SRTP suite: T7-R01 cites jr1i3r: AES_CM_128_HMAC_SHA1_80. The article says Webex Calling only supports SHA1_80.

What crypto does Webex for Government require: T7-R01: AEAD_AES_256_GCM. The SHA1 step is not applicable. Certificate-based, and CUBE is the SBC t9xctu names.

What is BAD.BAD: T7-R01 cites jr1i3r: a dummy destination-pattern required when outbound calls use an inbound dial-peer group. Not a user number.

What does Config Validation refuse to grade: T7-R01 cites 2zx7fg: the PSTN or PBX dial plan. It checks registration-based Local Gateways.

What does DS 64224 do: T7-R01 cites jr1i3r: at 75 percent CPU it disables all debugs and uninstalls diagnostic signatures.

T2-R02 cites nj0abhbb: it tests emergency-call email generation and does not alert public safety personnel. T2-R06 does not paste that sentence onto a WxCC RedSky test.

T2-R06 cites mwjlgk, header September 03, 2025: MyE911 host https://wxc.e911cloud.com and a verification email. It does not reprint password length, Device User Id, the $0 add-on, or 933-then-activate.

Quote both recording defaults.: T2-R06 cites nhvl4hw: Webex is the default value, and Dubber is chosen by default. Webex retention is one year and 100 GB. Dubber Go is 30 days.

What is the active-site ceiling on the current limits page: T3-R01 cites n7s6ed7, header August 18, 2026: Sites, Active, 300.

T3-R01: Entry points, Active, 6000, on n7s6ed7 Table 1.

T3-R01: Queues, Team-based routing type, is 10500. Contact service queue, Inbound, is 11000. They are different cells.

T3-R01: Users, Active, is 20000. The footnote says unlimited concurrent agents at the organization level.

T3-R01 quotes n7s6ed7 Table 3: Maximum number for a Capacity-Based Team is 100. Maximum Capacity-Based Teams for an organization is 50. Concurrent calls for those teams is 5000. The 100 is not an agent-per-team cap.

Table 3 prints a maximum of 100 for a Capacity-Based Team, 50 Capacity-Based Teams for an organization, and 5000 concurrent calls for those teams. The same page in the room also quotes active sites 300, active entry points 6000, and team-based queues 10500. Retrieved 2026-10-14.

What are the Search API time rules: T3-R01: FROM cannot be older than 36 months from the current time. The duration between to and from must not be more than 365 days.

Who may call Search, and with which scopes: T3-R01: Administrator or Supervisor, scope cjp:config or cjp:config_read.

No. T3-R01: it is the example host in the Search reference. The room does not name the host for a given tenant.

T3-R01 cites oybc4fb: Contact Center > Settings > Service Details > Country of Operation. Header September 24, 2026.

T3-R01: US, EU, Canada, UK, Japan, Australia, Singapore, and India. Saudi Arabia is blank on that row. n0p6xa1’s data-center headings are a different page.

How long does a historical Analyzer session stay active: T3-R07 cites tajemk: 8 hours. A new real-time report defaults to 5 seconds, and the refresh list runs from 5 to 60 in steps of 5.

What clocks belong to the desktop widget: T3-R07 cites n6m0w9z: historical every 24 hours, real-time every 60 seconds. Do not call 60 seconds the Analyzer default.

Why does T3-R07 keep two Duration lists: tajemk’s Details list is None, 5, 15, or 30 minutes, and Start of Day. The create table also prints 10 minutes and Custom. The room does not collapse them.

T6-R04 cites 0hd75db: download v3.5. The command runs uccx-to-webexcc-v3.4.jar.

What port does the CCX tool use if you omit one: T6-R04: 443. The machine needs Java 8 or above.

What is the bulk CSV row limit: T6-R04: 5000 rows. Split the file after that. 0hd75db.

T6-R04 cites nb2ve0e: create routing strategies in the new Flow Control application. Legacy strategies are not copied because they are incompatible.

T6-R04: nb2ve0e lets you move a Dialed Number (DN) – Entry Point (EP) combination inside Webex Contact Center 1.0. That is not a UCCE dialed number.

T6-R04 cites nb2ve0e: do not change the legacy Management Portal while setup runs. Those changes may not be copied.

What does a 1 on routing-control migration do: T6-R04 cites n2puc5z: the tool deletes all existing routing controls of all types on the target, then copies the source.

No. nb2ve0e says agents cannot simultaneously access both desktops, and that they can’t log in to both at once. Set Contact Center Enabled to False on the legacy platform and True on the new one. A different sentence uses “at the same time” for Recording Management.

T8-R02. Callback comes after Queue Contact or Queue To Agent. A different queue drops skills and priority and places the contact at the end. Schedule Callback needs the Callback Default Entry Point. Disconnect immediately after is recommended so the current call ends. VIP is Set Contact Priority, P1 highest through P9, and 10 when unset or out of range. Queue ranking can still serve a higher-ranked queue first. Team-queue overflow is the next call distribution group after the configured wait. Agent-assignment queues do not expand on a timer. Existing customers can keep using Routing Strategy until that feature is decommissioned.

T7-R07. Premises-originated calls cannot use cloud PSTN. CCP numbers are stored as +E.164. The dial plan is global. Run Verify Call Routing, then Monitoring → Troubleshooting for the past 21 days, and separate a CCPP hop from a Local Gateway hop. PSTN receive metrics are not transmitted to the cloud. UnassignedNumber, NoRouteToDestination, and LocalGatewayLoop are the codes to name. Do not put agent phones on the contact-center PSTN location.

T8-R04. All three launch the contact-center desktop inside the CRM, and all three say chat and email are unsupported on these connectors. Salesforce is Lightning only, on Development, Enterprise, and Ultimate editions. Its WebRTC browsers are Firefox and Chrome, and Edge is not supported. Dynamics uses CIF 1 for a single-session app and CIF 2 for a multi-session app. On-premises Dynamics is not supported. Its WebRTC browsers are Edge and Chrome. ServiceNow’s connector is for the modern Agent Workspace. The legacy workspace is unsupported starting with Xanadu. Predictive and Progressive are the campaign modes the articles name. Salesforce’s required campaign field is CAMPAIGN_CRM_ID. Dynamics and ServiceNow also require CAMPAIGN_CRM_TABLE.

2 minutes, collisions. If Directory Sync or Entra ID is already on, SAML just-in-time create and update will not run. A second IdP stays inactive until a routing rule exists. A userPrincipalName that is not the Control Hub email creates a new user. Entra will not push a null, so clearing an attribute in Entra leaves the Webex value. The manual bearer token lasts 365 days, and I mint it as a full admin in a private window.

2 minutes. Supported servers on the September 15, 2026 guide are Windows Server 2025, 2022, 2019, and 2016, with TLS 1.2 and .NET Framework 4.5, and forest functional level 2 or higher. The connector login is a full Control Hub admin. The service account that reads the directory defaults to local system. Groups need a full sync. Incremental sync stays off until that full sync exists. Organization SSO is SAML 2.0 with a transient NameID and a uid claim. Partner SSO sends mail.

30 seconds, SCIM. SCIM needs no on-premises connector. Commercial tenant host is webexapis.com. Government host is api-usgov.webex.com. SCIM 2.0 synchronizes users and groups. Rooms and avatars stay on the Entra ID Wizard.

30 seconds. Directory Connector is one Windows instance per Active Directory domain. The only required attribute is uid, and I map mail or userPrincipalName. I dry-run, then full-sync. Invite suppression waits for SSO.

What you will say about Calling. The extension stored in the directory is the bare extension. The routing prefix is added by Webex Calling, and the dial-plan article says the directory must not already contain it.

2 minutes, upgrades. I will not put Calling standard and Customer Assist on the same user. Attendant Console means Professional Calling. A professional workspace does not return to common area, even if the subscription changes. A professional-to-standard user change drops provisioning and configuration. Webex Calling 44.3 and earlier lose Calling services. If Calling settings error right after I add the license, I remove it and assign it again.

2 minutes. Preserve licenses is on when I choose Existing users. Clearing it removes licenses, including ones assigned by hand. Deleting the template does not strip people who already have the license. Nested groups do not inherit. Two Contact Center licenses become Premium agent. Host decreases the Meetings count. Attendee does not. A user created with a specific license skips the organization template. The basic defaults, if I leave them, are basic messaging, free Meetings, and Call on Webex.

30 seconds, Calling. Calling still needs a location and an extension or number. Auto-assign looks up an E.164 work number that is already on a location and not assigned. That article’s header is June 10, 2025, so I say re-check before I treat it as current.

30 seconds. Automatic templates cover future users. I can also apply them to existing users for one save. Organization and group templates union. Subscriptions are consumed oldest first. Services are usable when the user is Active.

What you will say about a pending external user. Delete them and add them again to change the license. Removing every license takes them off the External users list.

2 minutes, neighbors. PSTN is chosen on the location after it exists. U.S. and Canada Cisco Calling Plan locations need an emergency service address. The routing prefix is also per location. A survivability gateway is per site, in the local network. Adding a user here can apply the organization license template when preserve is off. Group templates, CSV, and the API are the paths that article excludes.

2 minutes. Manual create needs name, country, and street. The map appears when I pick a suggested address. CSV country codes are two letters. New CSV rows leave Location ID blank. Floors need a number. Manual user add from the location is 25. Changing the location time zone does not move an auto attendant, hunt group, or call queue, because those features copied the time zone at creation. A migrated name collision shows up as a -CALL suffix. Double-assigned workspaces are not supported.

30 seconds, territories. Puerto Rico, Guam, American Samoa, and the U.S. Virgin Islands use the territory as the country when the numbers are territory-specific. United States as the country blocks those numbers.

30 seconds. A location is a physical address. One user, one workspace. Webex issues the Location ID. Calling and workspaces can share it. I do not delete a Calling location until I disable calling and remove Calling licenses from the people and places that still have them.

What you will say about an organization-wide location cap. This article does not state one. The 250 figure belongs to how many locations one Webex Calling administrator can be assigned, and that sentence is in the delegation article.

2 minutes, the fence. A location administrator cannot add or delete locations, cannot modify PSTN, cannot run bulk operations, and cannot add a device from the devices screen. They can add devices on a user or a workspace. On a hunt group they can delete any agent and add users only from their own locations. On a Calling call queue they can add users from other locations and can allow join or unjoin only inside their locations.

2 minutes. I assign roles on the user summary or on a Webex group. One organization can have 100 groups with roles, and one group can hold 20 roles. Read-only does not combine with a custom role. A direct read-only or location role blocks an incompatible group role until I remove it and re-add the user to the group. Compliance officers get user content and legal hold. Security activity administrators share the audit log with full administrators. I cannot grant myself Advanced Troubleshooting Access.

30 seconds, locations. Location administrator is exclusive. I can pick up to five locations in the drop-down, add up to five people to one location at a time, and a Webex Calling administrator can hold up to 250 assigned locations. That 250 is not an organization-wide cap.

30 seconds. New users have no admin rights. Full administrator runs the organization and cannot also be a location administrator. Device administrator and user-and-device administrator cannot administer Webex Calling. A new role can take up to 10 minutes.

What you will say about the old CDR role. It is marked Obsolete and stays operational until December 31, 2026. New access is a custom role for the detailed call history APIs. Partner Hub role names stay in article 16gmxfb, which this pass did not re-read line by line.

2 minutes, what I will not merge. I will not read the Meetings data-center list as the Messaging GEO. Free Meetings accounts may sit outside the holder’s region, and that list can change. I will not promise the August 29, 2025 migration regions without a re-check. Compliance visibility continues across regions. Partners can create customer orgs in any region where the service is offered.

2 minutes. Messaging Europe is Frankfurt and Amsterdam for Continental Europe, the Middle East, and Africa. North America and the rest of the world is in the United States. If most users are in one country, I pick that country. If they are spread out, I pick the country with the most users, and everyone is stored there. Meetings use the site time zone, and an EU city is Frankfurt. Calling uses the principal place of business from the order. Contact Center uses Country of Operation. AI content stays with the user-generated content. Audit retention is a year in most regions and three years in India, and search is only the past year.

30 seconds, spaces. The creating organization owns a group space. A team owns spaces created in it. A space moved into a team later keeps its original owner. A 1:1 that includes North America or the rest of the world is stored in that GEO.

30 seconds. The Country Selector permanently sets the GEO for users and encryption keys. I cannot move that GEO later. I verify Meetings, Messaging, and common application data at Account, Info, Data Locations.

What you will say about a later country change. The article says the organization stays in the GEO where it was created.

2 minutes, what I will not merge. I will not teach Dedicated Instance from this guide. I will not let cloud PSTN serve a call that starts on the premises. I will not quote the March 20, 2025 feature catalog as current without a re-check. Preferred Architecture drawings stay in Cisco’s document until I have read them.

2 minutes. Before the move I inventory Unified CM, the Expressway-C and Expressway-E pair, and optional meeting servers and Unity Connection. Desk, Room, Board, IP phones, and Jabber are on Unified CM. After the move, Webex App on Windows, Mac, Android, and iOS registers to the cloud. Control Hub at admin.webex.com assigns a local gateway to a location and hands me CUBE parameters. A trunk terminates on that gateway. A route group is how I put trunks together. Dial plans are global, and the pattern rules live in the dial-plan room. If the directory is moving to Entra ID, I use the wizard. The migration section also lists the emergency address, the number of users, internet access, and PSTN access.

30 seconds, what stays. Phone models Webex Calling does not support, a complex dial plan, unreliable internet, on-premises recording requirements, and a contact center that is not moving yet are reasons the guide gives for considering on-premises call control.

30 seconds. Webex Calling in the migration guide is the multi-tenant cloud. Phones register there. A local gateway is the bridge for PSTN and for calls that still involve Unified CM. Cisco Calling Plan and Cloud Connect need no gateway.

What you will say about help. The three paths are self-service migration tools in Control Hub, a certified migration provider, and Cisco-led Webex Setup Assist.

2 minutes, what I will not merge. I will not put a second device type in one space unless Companion Mode or a standalone Room Navigator applies. I will not promise PSTN on Call on Webex. I will not generate a code with a role the organization-role article does not allow. Migration licenses from Enterprise firmware are a different article.

2 minutes. All of the listed devices can use a MAC. The activation-code subset is the 6800, 7800, and 8800 models the September 2026 article names, plus 7832, 8832, 9800, 9821, and 8875. RoomOS uses a code, and the CSV types are WEBEX or WEBEX_CALLING. An MPP needs firmware 11.3.1 SR2 before the code is typed, then it reboots. I can copy, email, or print the code, including to someone who is not the assignee. An ATA gets its VLAN and IP address first, because those settings lock after activation. If the room needs PSTN I choose Cisco Webex Calling, not the default Call on Webex service.

30 seconds, delete. Deleting a workspace factory-resets an online MPP and returns it to the code screen. An offline phone needs a manual reset.

30 seconds. I claim a phone by MAC or by a 16-digit activation code. MPP codes last 30 days and Room codes last 7. A professional workspace holds five phones. A common-area workspace holds one.

What you will say about the nightly job. The workspace article says the location is updated during the nightly resync.

2 minutes, what I will not merge. I will not treat the 50-agent recommendation as the hard maximum. I will not teach survivability hunt caps as these Control Hub caps. I will not date the call-queue article, because the retrieved page had no header. I will not send omnichannel work to a voice queue when the article points at Webex Contact Center.

2 minutes. I create all of them under Services, Calling, Features, in a location. A blank extension becomes the last four digits. Agent forwarding does not apply once the feature has sent the call. Hunt group busy is off until an admin enables it. Agents then use #51, #52, and #53. A queue’s recommended voice size is 50 agents, while the table allows more except for weighted and simultaneous. Queue size is 250 and must not be 0. Skill 1 is highest. Pickup is one group per user in one location, and the desk code is *98. Park is *68 after hold. The attendant’s location cannot change, and its no-input default is 10 seconds.

30 seconds, caller ID. I can let agents present the group number. I cannot turn that policy off while an agent still uses it. In India the locations must share PSTN provider, country, and zone.

30 seconds. A hunt group rings a list. Circular, top down, and longest idle allow 1,000 agents. Weighted allows 100. Simultaneous allows 50. A call queue holds callers and belongs to the professional license. An auto attendant is the menu.

What you will say about a missed call on a coworker’s phone. If they share a pickup group, *98 or the softkey answers it. A new group notifies with visual and audio. An existing group defaults to no notification until you change it.

2 minutes, what I will not merge. I will not quote the November 2024 colocation article without a re-check. I will not put survivability on a third-party SBC. I will not promise meetings. I will not treat a 10-second WAN recovery as the restore timer.

2 minutes. I assign the service on Managed Gateways with the certificate FQDN and the IPv4 address. I download the template, license the platform, and use a public CA without a wildcard. mode webex-sgw opens 8933. I do not set SIP bind under voice service voip. Shared appearances count toward max-dn. In that mode I can have 100 hunt groups of 32 users and I cannot use weighted routing. Webex App shows a banner and keeps basic calls, including outgoing emergency if the local PSTN path is up. Messaging and meetings stop. A call that is up when failover starts is torn down. A call that is up when service returns stays up. If the user signs out, they wait for the network.

30 seconds, scale. An ISR 4321 is 50 endpoints. A Catalyst Edge 8200-1N-4T is 2,500. Those numbers are registrations in the survivability table, not the Control Hub hunt-group caps.

30 seconds. Phones register to Webex until the path fails, then to a local Survivability Gateway on port 8933. They return after the link has been up for 30 seconds. The gateway is IPv4, IOS XE 17.12.3 or later, and it does not take third-party phones.

What you will say about PSTN. Internal extensions can work on the gateway. External calls need the VIC or the SIP trunk that is still available at the site.

1. 2 minutes. I then separate KPI grain from table grain. Alice to Bob is one KPI call and two legs when both are registered. A PSTN caller leaves only the terminating row. Voicemail is answered. Unknown type counts as external. [cite:1]

1. 30 seconds. Calling analytics keeps 13 months with Pro Pack and 3 without, for Webex App calls. Since January 27, 2026 I select 3 months at a time. [cite:1]

2. 2 minutes. The worst-experience click opens Troubleshooting for at most 21 days. I do not promise hop detail for the 13-month window. [cite:1]

2. 30 seconds. Good media means both streams under 150 ms jitter, 400 ms latency, and 5% loss. [cite:1]

3. 2 minutes. Queue-stats handle time includes ring. The agent table prints talk plus hold. I name the table before I say the formula. [cite:1]

3. 30 seconds. Declined is not bounced. Bounced is presented and unanswered. [cite:1]

4. 2 minutes. Park, retrieve, and consultative transfer add an internal call because the correlation id changes. Direction filters only when classification is External. [cite:1]

4. 30 seconds. Call on Webex is not on the detailed call history tab. [cite:1]

5. 2 minutes. That webhook is not the on-screen table, not Analyzer, and not CUIC. Analyzer’s clocks stay in tajemk. CUIC’s data source in the 15.0(1) serviceability guide is an AW-HDS. [cite:3] [cite:4]

5. 30 seconds. The partner webhook in n5zr85e is every 5 minutes for customers that partner manages. re-check [cite:2]

1. 2 minutes. The SIP address can still be edited on Calling Set up. Common Edge is the shared telephony edge the wizard shows. Then I leave this room for voice and digital articles. The header is February 28, 2025, so I re-check it. [cite:1]

1. 30 seconds. Trial and subscription share the Services setup wizard. Country of operation locks after confirm and picks the data center. [cite:1]

2. 2 minutes. Password, Save and Sign In, Terms of Service, then the wizard at admin.webex.com until it completes. Partners are recommended to finish before the handoff. [cite:1]

2. 30 seconds. Customers start from the Welcome email’s Get Started link. [cite:1]

3. 2 minutes. I do not keep clicking confirm hoping the country becomes editable. [cite:1]

3. 30 seconds. An incompatible location goes to Cisco Solution Assurance. [cite:1]

4. 2 minutes. The article’s next list is entities, voice channels, and digital channels. The later block also wants a Connect or Google CCAI hybrid order before that begin-state. [cite:1]

4. 30 seconds. Submit does not mean calls and chat exist. [cite:1]

5. 2 minutes. Emergency calling stays on the Calling and WebRTC articles. The Data Locality sentence in nee1mb6 also mentions on-premises and Enterprise, which is a country list, not a Router design. [cite:1]

5. 30 seconds. This wizard does not configure 911. [cite:2]

1. 2 minutes. PSTN is Contact Center PSTN, Cloud Connected PSTN, Local Gateway, or Cisco Calling Plan inside the article’s limits. Agents can be PSTN, Webex Calling, WebRTC, premise, or Teams through Local Gateway. [cite:1]

1. 30 seconds. The tenant needs one PSTN connection and one way to reach agents. Those are different choices. [cite:1]

2. 2 minutes. CCP is the “over 65 countries” sentence. Local Gateway is the “over 140 markets” sentence. Both sentences are on 2dputx, header June 25, 2026. [cite:1]

2. 30 seconds. Contact Center PSTN is contiguous US and Canada and does not dial internationally. [cite:1]

3. 2 minutes. Desktop at login is that WebRTC option. An extension match against a registered Calling endpoint unlocks preferred device. [cite:1]

3. 30 seconds. WebRTC does not need a local gateway and is unavailable in the Japan data center. [cite:1]

4. 2 minutes. New subscriptions include Webex Calling PSTN service for Common Edge. A pre-October 2024 tenant may need the partner to add it. [cite:1]

4. 30 seconds. Configure Calling before the Contact Center tenant when both are in the design. [cite:1]

5. 2 minutes. Toll-free mapping without Bundle 2, on Cisco PSTN, means use a toll number. I do not invent the short-call threshold digits. [cite:2]

5. 30 seconds. The location main number is not in the Webex Calling entry-point list. [cite:2]

1. 2 minutes. Authorize Task and Engage nodes, then multimedia profile, site, team, user, and RONA. Entry points use Social Channel and an asset. Engage templates, then Connect flows. [cite:1]

1. 30 seconds. Six channels, controlled GA, Solution Assurance onboarding. Email is created in Control Hub. The messaging assets in that setup step are created in Connect. [cite:1]

2. 2 minutes. I can draw the three role tables. Customer full admin and Contact Center admin become Connect Tenant Owner. [cite:1]

2. 30 seconds. New Connect admins have 7 days. Partners do not open Engage. [cite:1]

3. 2 minutes. Proficiency is 0 to 10. Boolean, exact text, and enum are the other types. QueueTask carries requirements, relaxations, and contact priority. [cite:1]

3. 30 seconds. Skill profiles go on agents. The article says not on teams. [cite:1]

4. 2 minutes. Also one service to one asset, no payments, and templates not supported even if the control is visible. [cite:1]

4. 30 seconds. WhatsApp has no voice messages and no customer read receipts. [cite:1]

5. 2 minutes. Gmail and Microsoft 365 are the providers nrelvg3 names, and I re-check that extract’s missing header. A re-added Engage user stays inactive until Cisco Support reactivates them. [cite:1] [cite:2]

5. 30 seconds. Malware scanning drops the file and the desktop shows Unknown. [cite:1]

1. 2 minutes. Landing text says Monitor, Overview, and also says the Queues page is the supervisor default. I quote both. Unlicensed admins configure topics and do not get the monitor rows. [cite:1]

1. 30 seconds. I pick the persona on the matrix before I name a page. Supervisor-only does not get My Workspace. [cite:1]

2. 2 minutes. Not during consult. No transfer, drop, or new consult while barged. Another team or queue ends the session. I finish monitoring before sign-out. [cite:2]

2. 30 seconds. Listen is one agent, on the Interactions page, and barge comes after. [cite:2]

3. 2 minutes. Editing the schedule does not cut off a session that is already up. [cite:3]

3. 30 seconds. A named-agent schedule caps at 500 and six months. [cite:3]

4. 2 minutes. Zoom stays at 100 percent. Thirty languages. Supervisor features are the full desktop form factor in a browser. [cite:1]

4. 30 seconds. WebRTC is not available in VDI, and the minimum display is 500 by 500. [cite:1]

5. 2 minutes. The org toggle and the SKUs live in the AI quality article, not in the listen steps. Those headers are August 13, 2026, September 01, 2026, and July 30, 2026. [cite:1]

5. 30 seconds. Coaching recommendations in this article are weekly after team thresholds. [cite:1]

1. 2 minutes. Evaluations and Coaching Insights are organization scope. Sentiment and transcription are queue scope in the table. Auto CSAT’s cell says Agent and the steps use queue settings, and recording has to be on. [cite:1]

1. 30 seconds. AI Quality Management is A-FLEX-AI-QM or the bundle A-FLEX-AI-QMMB. I enable it under Contact Center, AI Features. [cite:1]

2. 2 minutes. Specific queues use the conditional article. Custom layouts need ai-assistant in advancedHeader and RT_TRANSCRIPT on every persona. [cite:1]

2. 30 seconds. All-queue transcription is Start Media Stream right after AgentAnswered. [cite:1]

3. 2 minutes. Basic QM records and evaluates. Live screen monitoring, calibration, and appeals are on the existing column. The header is August 13, 2025, so I re-check it. [cite:2]

3. 30 seconds. Basic WFM forecasts voice, digital, and back-office. [cite:2]

4. 2 minutes. py6u9h was not re-fetched. nmzg380 points at ordering guides and does not print those strings. [cite:2] [cite:3]

4. 30 seconds. I do not recite Enterprise WFO SKUs in this room. [cite:3]

5. 2 minutes. Coaching cards on the supervisor desktop still need the org toggle. Analyzer’s refresh is a different article. Calling retention numbers stay in the Calling recording article. [cite:4] [cite:5]

5. 30 seconds. Sentiment without transcription is the wrong order. [cite:1]

1. 2 minutes. Both router sides stay in service through MDS. Router A talks only to Logger A. The co-located pair is the Central Controller. The chapter date is April 30, 2025, so I re-check it. [cite:1]

1. 30 seconds. Unified CCE 15.0(1) has four major components: Router, Logger, PG, and Administration and Data Server. [cite:1]

2. 2 minutes. The PIM is single-active and not lock-step. OPC is lock-step. VRU PIM is GED-125 and does not keep agent state. [cite:1]

2. 30 seconds. On Unified CM, the PG is primary for agent state. [cite:1]

3. 2 minutes. The Controller is mandatory and already includes a Member. Reporting runs on Members. AW-HDS has no call detail. [cite:1]

3. 30 seconds. CUIC is at most eight nodes, and the standard source is an AW-HDS. [cite:1]

4. 2 minutes. Only one CTI Server side is active. I do not invent Finesse on this drawing. [cite:1]

4. 30 seconds. Direct GED-188 desktops are deprecated in this chapter. [cite:1]

5. 2 minutes. T4-R01 says the Enterprise help articles point UCCE readers at component documentation and do not restate these processes as cloud Webex CCE parts. Analyzer is still a different reporter. [cite:2] [cite:3]

5. 30 seconds. This is not the multi-tenant cloud component list. [cite:2]

1. 2 minutes. Voice call types use DN, CED, and CLID. Non-voice uses three different strings. A route is a skill target plus a service. No match uses the DN default label or an error. [cite:1]

1. 30 seconds. The routing client asks, the system software runs the call type’s script, and a label comes back. The peripheral still has to map trunk and DNIS. [cite:1]

2. 2 minutes. The routing client can play busy, ring, or an announcement, or it can deliver a scheduled target or a trunk group. If the Router is late, the client takes its own default. [cite:1]

2. 30 seconds. Pre-routing is the carrier. Post-routing is the peripheral. [cite:1]

3. 2 minutes. There is a switch leg and a VRU leg. Basic is wav and DTMF. Advanced adds ASR, TTS, and VXML Server applications. VoiceXML stays on the switch-leg Call Server. [cite:2]

3. 30 seconds. CVP Comprehensive for ICME is Type 10 and SendToVRU. [cite:2]

4. 2 minutes. Call services on that model are ICM, IVR, and SIP. I do not invent a port count. The names Basic and Advanced are license levels for media, not agent caps. [cite:2]

4. 30 seconds. One physical gateway can do both jobs the figure splits. [cite:2]

5. 2 minutes. The routing chapter is April 30, 2025, so I re-check it. The CVP chapter is December 12, 2025. Service-level seconds stay unread. [cite:1] [cite:2]

5. 30 seconds. This is not the multi-tenant entry-point flow. [cite:4]

1. 2 minutes. The schedule has a script, a period, and an optional description. If it is not scheduled for this call type right now, it will not run. The book date I used is April 30, 2025, so I re-check it. [cite:1] [cite:2]

1. 30 seconds. I create a routing script from File, New, and it opens on Start. I schedule it in Call Type Manager. [cite:1]

2. 2 minutes. Calls that CVP already front-ended get one automatic transfer. Calls from Unified CM get a correlation ID on the end of the label. [cite:2]

2. 30 seconds. Type 10 is a two-step transfer to CVP and then a VRU leg. [cite:2]

3. 2 minutes. The sample queues three skill groups and announces every 30 seconds using Wait. I do not put Route Select in that loop. [cite:2]

3. 30 seconds. The Queue node does not play audio. Run External Script does. [cite:2]

4. 2 minutes. Twenty seconds without a routing-client response fails Send to VRU. Uninterruptible nodes make the router wait. Wait is interruptible. [cite:2]

4. 30 seconds. On failure I read Call.VRUStatus. Two means stop. [cite:2]

5. 2 minutes. Administrative-script nodes are still TODO-verify as a full list. I will not invent them. [cite:1]

5. 30 seconds. This editor is not Flow Designer and not Connect QueueTask. [cite:4] [cite:5]

2 minutes, the cloud sentence. A January 2025 what’s-new line says Webex CCE can host custom CVP applications. I keep that sentence marked re-check, and I do not let it erase the CVP 15 call-flow chapter. Hybrid IVR, from July 2023, is the note that mixes on-premises ASR/TTS with Dialogflow CX. That date is also re-check.

2 minutes. In the standalone figure the call hits an ingress gateway or CUBE, the gateway sends a SIP invite to Cisco VVB with the trigger, VVB requests VoiceXML over HTTP, and the instructions can point at ASR, TTS, or .wav files. Comprehensive has a switch leg on the gateway and a VRU leg on VVB. Micro-application VoiceXML returns only to the Call Server that owns the switch leg. Type 10 and SendToVRU are the ICME names. Basic ports are .wav and DTMF. Advanced adds speech and VXML applications.

30 seconds, the tool. I build the app in Call Studio. Flow Designer is the multi-tenant Webex Contact Center canvas, not this chapter.

30 seconds. Unified CVP has a standalone self-service model and a comprehensive switch model. Standalone needs the VXML Server, Call Studio, and a gateway. Reporting adds a Call Server and a Reporting Server. Comprehensive is the Reference Design flow.

What you will not say. You will not size a Reference Design from the non-reference limits table. The design guide says those limits apply to non-reference designs only.

2 minutes, timers I date. The heartbeat and the 503 are in the administration guide updated December 12, 2025. The two-minute desktop sign-out is in the Solution Design Guide updated March 15, 2025, so I mark it re-check. The VPN-less exclusions for FIPPA and NAT are a March 2022 what’s-new note, also re-check.

2 minutes. CTI failover needs duplex Unified CCE and both CTI sides. The CTI server runs on the PG, and both sides use the same peripheral ID. Three missed five-second heartbeats, or a dead socket, moves Finesse to OUT_OF_SERVICE. Clients get 503 and no events. Finesse alternates servers until one connects, then publishes the last call and agent state. A call that begins and ends inside that window is not published. Test Connection may fail on the passive side. Both sides succeeding at once is the case I investigate.

30 seconds, auth. Shindig proxies the REST call. The gadget still logs into the third-party service itself.

30 seconds. Finesse is an OpenSocial desktop. I upload one XML layout with an Agent role and a Supervisor role. Gadgets on the server use a relative path under 3rdpartygadget. Gadgets elsewhere use an absolute URL.

What you will not say. You will not configure this XML from the multi-tenant Agent Desktop screen. That desktop is a different product.

2 minutes, dates. The reporting chapter I used was updated April 30, 2025, so the refresh and resolution sentences stay re-check. A February 2022 what’s-new line says Webex CCE CUIC lets non-admin owners see the All Users group. An 11.6 support note warns that old stock reports lie after a schema change. I import the current bundle and I do not paste that note’s SQL into a runbook.

2 minutes. Stock bundles come from Cisco.com and are imported. Transitional templates are the simple set. All Fields templates are the ones I clone when I need every column, including precision queues. Outbound and Customer Collaboration Platform bundles are conditional. Contact Sharing shows targets and routing errors. Admin Security shows audit and permissions. Every stock report has a grid. I use Save As before I edit. The screen requirement printed in that chapter is 1366 by 768 or higher.

30 seconds, the other product. Analyzer is multi-tenant Webex Contact Center. I do not quote its refresh as a CUIC fact.

30 seconds. CUIC is the Unified CCE reporting application. I keep Historical, Realtime, and Live Data apart. Live Data is the one the guide says usually refreshes in less than 3 seconds.

What you will not say. You will not invent a custom SQL report in the interview. The customization guide is the next book.

2 minutes, the other clusters. CUIC is a publisher and up to seven subscribers, and it spreads work around a dead node. Cloud Connect digital routing is active/standby with no dedicated private network. Cisco IdS is its own publisher and subscriber pair. The Unified CM publisher should not run devices, call processing, or CTI Manager if I can avoid it. The design guide I am quoting was updated March 15, 2025, so these rows stay re-check.

2 minutes. Two physical networks. Private carries sync and MDS and must stay on one link per component, with QoS. Public carries Central Controller to PG traffic. If the private network fails, Side A stays up when it sees at least half its enabled PGs. Side B stays up only when it sees more than half. The loser goes isolated-disabled and its logger stops. If the private network returns inside 14 days, logger resync is automatic. A call already at an agent is not dropped just because the router peer failed. If the phone and the desktop are on opposite sides and the public network fails, the agent is signed out.

30 seconds, the caps. Two thousand is the Finesse total on one Agent PG. Forty-eight thousand is a January 2025 Webex CCE sentence, with 300 calls per second. I do not add them.

30 seconds. Unified CCE runs Side A and Side B for redundancy. Both sides process every call. Either side can carry the full load. I do not load-balance the Router.

What you will not say. You will not treat a 12,000 Agent Reference Design QoS warning as the Webex CCE tenant maximum.

2 minutes, the boundaries. Webex Contact Center Enterprise as a cloud offer is a help article, not a replacement for this chapter. Flow Designer is a different product’s flow tool. The 500-to-24,000 quick-deployment range, the Finesse 2,000 line, and the 48,000 what’s-new sentence stay in their own rooms. The architecture chapter I am quoting was updated April 30, 2025, so it stays re-check.

2 minutes. MDS keeps duplex state processes on the same messages in the same order. OPC is one of those processes. The PIM is not. One PIM side is active per peripheral, and the other side activates if the connection drops. A Unified CM PG is primary for agent state because Unified CM tracks lines. A VRU PG tracks calls, not agents. Configuration changes go through DBAgent and the Router, and the Logger database is the authoritative copy. Historical reporting can move to an HDS.

30 seconds, the index. I map T4 topics to those chapters. I do not invent a classroom session number. SendToVRU is a named Script Editor node. The rest of a scripting course stays TODO-verify.

30 seconds. Unified CCE’s serviceability chapter names four major components: Router, Logger, PG, and Administration & Data Server. Both Routers stay in service. Each Logger listens only to its own Router.

What you will not say. You will not quote a class date, a session number, or a personal biography.

2 minutes, peering. The January 2025 early-access paragraph says Equinix Cloud Exchange or Megaport, and then says a private circuit through Virtual Connect via VPN. I leave that sentence intact and I design from the September 17, 2026 Edge Connect article, which calls it private peering to Meetings, Calling, and Webex Contact Center Enterprise data centers. Digital channels also need a date: email, chat, and SMS in July 2023; WhatsApp and Facebook Messenger in the January 2025 block. Every nhy3hvdb section I used is older than twelve months, so those rows stay re-check.

2 minutes. Hybrid IVR, July 2023, is a different idea: some IVR nodes stay on-premises, and the example is OTP, while other tasks use Dialogflow CX. A static CX message can cover up to 30 seconds. Regional media, July 2024, keeps audio in the caller’s region. In the U.S. tenant example, control signals are what travel home. VPN-less Finesse does not include FIPPA or several desktops behind one NAT. Custom SIP headers in the August 2023 standalone note ride the initial INVITE only.

30 seconds, scale. Forty-eight thousand concurrent agents and 300 calls per second is a January 2025 single-tenant sentence. Two thousand is the Finesse cluster line in another guide.

30 seconds. Webex CCE names two hybrid models in March 2022: SBC Peering and Localized RTP. I do not invent their call flows. The what’s-new page sends that detail to the partner technical guide.

What you will not say. You will not draw Localized RTP as Virtual Connect, and you will not treat the partner-guide pointer as a configuration you have already read.

2 minutes, the boundary. Default interop trunks use the WXC-DI name pattern, one toward each data center, and I do not edit them. The location needs a PSTN connection and a main number or the route group is unusable. RedSky objects are x-prefixed and the partner fills in the account ID. Peering, ASN 13445, and the choice among Partner Connect, Virtual Connect, and Edge Connect are the next two rooms. The introduction I am quoting was updated September 23, 2026. The base-configuration names come from May 27, 2025, so those rows stay re-check.

2 minutes. Cisco sizes the cluster from Knowledge Workers and Common Area devices, not from the old on-premises bill of materials. A full cluster is up to eight call-processing servers or about 50,000 devices on version 14 and above. I do not turn on call processing on the publisher or on TFTP and MOH nodes Cisco left inactive. I can configure 50,000 devices and up to 160,000 end users, including LDAP users who are only there for directory lookup. The first cluster in a region comes up within 48 hours. Later ones within five business days. Past three clusters I bring subnets. SME waits until I have three clusters, and its replication stays on the Cisco backbone.

30 seconds, operations. Nightly backups keep the latest three. I cannot download them to undo a mistake. MRA starts at 20 percent of Knowledge Workers even though the entitlement is 100 percent. B2B entitlement is 5 percent. Expressway-E blocks inbound B2B until I change the call policy.

30 seconds. Dedicated Instance is a Webex Calling add-on built on Unified CM. It includes Unity Connection, Expressway, optional IM and Presence, optional SME, and Emergency Responder only in the Americas. Calling features are not the same as multi-tenant Webex Calling. A Webex Calling user cannot sit in a Dedicated Instance hunt group.

What you will not say. You will not say the platforms share hunt groups, and you will not treat a DRS backup as your rollback plan.

2 minutes, Edge Connect. Webex ASN 13445. My peering subnet is a public /30 or /31. I do not advertise RFC 1918. If I use a private ASN, Webex strips it, so I steer with communities from 13445:200 up to 13445:900. A Dedicated Instance link must check redundancy and land on two data centers. Edge Connect 3.0 can put multi-tenant, Dedicated Instance, and Meetings on one peering capability, and the article that says so still requires two sites. Partner Connect and Virtual Connect were updated in 2025, so those rows stay re-check. The Edge Connect header I used is September 17, 2026.

2 minutes. Partner Connect Direct is a 1 or 10 gigabit cross-connect. Fabric is 200 megabits to 10 gigabits, and each customer needs a virtual connection. Addressing is a public /30 or /31, four subnets per geo, and a /16 for managing the UC apps. I cannot use Partner Connect for Calling and Meetings unless Dedicated Instance is on the order, and then I still add NAT and another Dot1Q tag. The data-center work is quoted as 10 business days. KSA is called out as unavailable.

30 seconds, Virtual Connect. Two tunnels, 250 Mbps each, and the sum also stays at 250 Mbps because a failure lands everything on one tunnel. Cisco gives me a private ASN from 64512 to 65534 and a /24 cut into two /25s. My CPE sends a default route.

30 seconds. Dedicated Instance has three connectivity articles. Partner Connect is the partner’s aggregated private connection. Virtual Connect is two GRE-over-IPsec tunnels over the internet. Edge Connect is private peering through Equinix or Megaport. I activate the region before I request the first two.

What you will not say. You will not put the 250 Mbps ceiling on an Edge Connect order, and you will not drop the second site because a sentence said “single peering.”

The customer or partner notifies Cisco, then restarts. TAC cannot. Widespread non-configuration faults on a whole cluster stay with Cisco. A single route-pattern mistake stays with the customer or partner, and cluster restore still stays with Cisco.

Certificate trunks over the Webex backbone, prefixes WXC-DI and xWxC, and the header X-DI-WxC-otg. Do not edit the default trunks. A user is on one platform. Contiguous numbers and group features such as pickup and hunt stay on one platform.

What does the Dedicated Instance migration assistant actually do: It assesses readiness. It does not migrate. A certified provider tool does. Freeze is 2–3 weeks. The cutover window must not exceed 10 hours. Rollback mirrors cutover, not DRS.

The feature-tool overview lists call park. A later note says CallPark.csv and CallPickupgroup.csv are not currently supported, and the CDR script writes those files. Teach both sentences.

Through Local Gateway Direct SIP, registration or certificate, CUBE or an approved SBC, with +E.164 on the gateway. Cisco does not support connecting Webex Calling PSTN calls directly to Teams endpoints.

When the losing carrier returns an FOC. Before that you can change the order in Control Hub. After that you open PTS. Do not disconnect the losing carrier until the port is verified.

Put +E.164 patterns for Webex Calling destinations in a dedicated partition, and keep that partition out of the Local Gateway trunk’s inbound calling search space.

2 minutes, batches. I pick single-step or dual-step first. Dual-step moves the Webex App before calling. [cite:1] I migrate a site or a dependency set together, then test that subset before the next group. Directory sync stays on the pilot group. [cite:3]

2 minutes. Extension length is global, from two to ten digits. Inter-site extension dialing needs unique extensions or a steering digit and site code. [cite:2] Shared features such as call queues move with every dependent user. [cite:3] Premises-originated calls stay on premises PSTN. [cite:6] Route groups hold up to ten trunks and fail from equal priority down to a lower priority. [cite:6]

30 seconds, Dedicated Instance. Interop trunks are certificate-based, one per data center, and 2vpf1 says not to edit or delete them. The location needs a PSTN connection and a main number. [cite:4] [cite:7]

30 seconds. Phased coexistence means some users are still on Unified CM. [cite:1] I give moved ranges a Webex Calling partition, and I keep that partition out of the Local Gateway trunk’s inbound CSS so the call does not loop. [cite:2]

What you will not say. You will not claim a Microsoft Teams or Amazon Connect parity matrix. You will not put premises users on Cisco Calling Plan.

2 minutes, what I will not claim. I will not rename queue logic from the three examples. I will not decommission Unified CM from this page. I will not place 911 as the PIDF-LO test. The article’s emergency line is the validated street address. [cite:1]

2 minutes. I simulate in Verify Call Routing first, from a real call source, and I still place the call. [cite:2] After the call ends I can search troubleshooting for 21 days if I have one of the three admin roles. The view is not a root-cause engine. CSV files stop at 100 records. [cite:3]

30 seconds, batches. I test a subset, including queues and hunt groups that moved with them, before the next group. The pilot uses the same tools as the later move. [cite:1]

30 seconds. I compare extensions and DIDs, place PSTN both ways, and test the on-net features q0pgpb names. The article says that list is not exhaustive. [cite:1]

Quality. Poor, Good, and None are different. None is missing data. [cite:3]

What do you remove after phones are cloud-registered: cisco_uds._tcp and cup_login._tcp on premises, collab_edge._tls in public DNS, and DHCP options 66 and 150. Hide migrated directory numbers so the cloud path wins. Do not claim Unity Connection messages moved natively.

2 minutes, examples. The Lumen PDF shows one carrier’s translation rules. I do not deploy those digit patterns on a different plan. [cite:4]

2 minutes. I test the rule with test voice translation-rule. The profile name stays inside 31 characters. [cite:2] I do not teach called-number as the first SIP match. The CUBE chapter puts URI classes ahead of it, and 211306 is the longer list. [cite:3] DS 64224 is the 75 percent stop, and I do not repeat the sample FTP password. [cite:1]

30 seconds, ICE. stun-usage is not a codec. Recording is a bad proof of media optimization. [cite:1]

30 seconds. I keep jr1i3r’s codec class on G.711 unless both sides support more, and I put called-number translation on the outbound dial-peer. [cite:1] [cite:2]

What you will not say. You will not claim an AudioCodes or Oracle translation syntax.

2 minutes, delays. ICE and recording each add a small delay at the start. Together it is more noticeable. I will not call a recorded call a direct-media proof. [cite:1]

2 minutes. The phases are discovery, exchange, checks, and a reinvite. CUBE ICE-lite in that article needs 17.3 or 16.12.5. [cite:1] I quote b2exve for 8500–8699, 19560–19661, 5062, and 8934. I mark SIP ALG re-check because of the January 21, 2025 history line, and I keep the August 13, 2026 NAT-pool sentence separate. [cite:3]

30 seconds, codecs. The Local Gateway guide’s class is G.711 µ-law then A-law. That is not the third-party phone preference list. [cite:2]

30 seconds. ICE can keep media direct inside one organization for the app, supported desk phones, and a reachable Local Gateway. Recording, DECT, ATA, and a second organization do not take that path. [cite:1]

What you will not say. You will not build the ACL from memory, and you will not call 5061 the trunk destination.

2 minutes, what I leave alone. I do not edit Dedicated Instance default trunks. I do not send premises-originated calls to cloud PSTN. I do not collapse Table 5. [cite:1] [cite:3]

2 minutes. The certificate FQDN matches Control Hub without the port. Wildcards are out. Server Authentication EKU is enough for Webex, and some SBCs still want client EKU. [cite:2] [cite:3] Two media PoPs come from SRV inside the region. [cite:3] Errors 2, 6, 11, and 12 mean every proxy is in trouble. [cite:1]

30 seconds, OPTIONS. Error 7 is no response to OPTIONS. Error 11 is the gateway not sending them. [cite:1]

30 seconds. A route group has up to ten trunks. Equal priority load-balances at random. A lower priority is the failure path. Status is online, offline, impaired, or unknown, every 3 minutes. [cite:1]

What you will not say. You will not invent a peer-SBC priority command.

2 minutes, capacity and AI. A capacity-based team rings a DN. People do not use Agent Desktop. [cite:1] AutoCSAT can be a system-controlled skill on the queue criteria. The what’s-new page header is October 08, 2026. [cite:4]

2 minutes. Longest Available is time since the last contact, and any media offer clears it. Circular keeps a pointer. Top-down does not. Best Available inverts a <= skill as 10 minus the value and ignores boolean, text, and enum in the score. [cite:1] A Calling hunt group has different caps, and agent call-forward does not apply to its calls. [cite:2]

30 seconds, what this is not. It is not the labs Erlang model, and it is not an ICM skill group. Those stay marked or labeled.

30 seconds. WxCC filters on skills, then runs Longest Available, Best Available, Circular, or Top-down as that queue allows. Weights belong to Best Available. [cite:1]

What you will not say. You will not invent a fifth pattern name.

2 minutes, recording and AI. A Telephony Contact Center queue can allow recording. Pause and resume depends on Privacy Shield. [cite:3] AutoCSAT is system controlled. [cite:4]

2 minutes. Hunt-group caps are 1,000, 1,000, 1,000, 100, and 50. A shrink keeps the first 100 or 50. Agent call forwarding does not apply to a hunt-group call. [cite:2] Contact Center non-skill defaults split: Longest available for teams, Circular for an agent list of up to 1,000. Skill queues use Longest available or Best available, and a blank weight is 1. [cite:3]

30 seconds, what this is not. It is not an ICM skill group and it is not a parity sheet.

30 seconds. Calling has an auto attendant, a call queue, a hunt group, and a shared line group. Only the auto attendant is the IVR. Only the call queue queues callers. [cite:1]

What you will not say. You will not call a hunt group skill-based.

2 minutes, debugs. Install DS 64224 before a long debug. At 75 percent it disables debugs and uninstalls signatures. The guide’s FTP sample is not a credential you repeat. [cite:4]

2 minutes. Split the call into segments with the correlation ID, then read the hop for ICE or cloud. If a trunk is involved, status is online, offline, impaired, or unknown, every 3 minutes. Errors 2, 6, 11, and 12 mean every edge proxy is affected. [cite:1] [cite:2]

30 seconds, validation. Registration-based only. It does not grade the PBX or PSTN dial plan. Results are stored two years. The gateway data used for the run is removed after 8 hours. [cite:3]

30 seconds. Wait until the call ends. You need a full, read-only, or support admin. The window is 21 days. The grade is not the root cause. [cite:1]

What you will not say. You will not invent a seven-layer method.

2 minutes, what you skip. You do not invent a syslog host. You do not quote status.xml counts without a date. You do not paste the Local Gateway FTP sample. DS 64224 still disables debugs at 75 percent. [cite:3] [cite:4]

2 minutes. A registered MPP uses Report Problem. DECT uses Management, Devices, Support, Manage device logs, and it needs a handset. PRTs sit under the base’s device ID. The PRT article is dated July 01, 2025, so re-check it. [cite:2]

30 seconds, logging. Standard or Debug, whole network, Debug only while you are diagnosing. A queued config can restart the bases when you apply it. [cite:3]

30 seconds. Export at most 100 troubleshooting records per CSV. The details page adds a JSON call report and a participant CSV. [cite:1]

What you will not say. You will not call the participant CSV a recording.

2 minutes, contact center. AutoCSAT is system controlled. Personalized AI Routing can help. The export is up to 36 months beyond the 13-month Analyzer and Search API window when extended retention is enabled. WhatsApp and Messenger use Assign To, and existing routing stays on Flow Builder by default. Granular states are admin-controlled until October 29, 2026. [cite:3] [cite:4]

2 minutes, numbers. Twelve countries were added on October 7. Cisco Calling Plans do not support non-geographic numbers. Toll-free on those plans is U.S. and Canada locations only, needs BCIBTFTN, and cannot be assigned to a user, workspace, or virtual line. [cite:1] [cite:2]

30 seconds, September. Auto Answer, caller name from contacts, virtual lines on managed third-party phones except ATA and DECT, and a blocked voice portal during deposit. [cite:1]

30 seconds. The Calling page header is October 13, 2026. Teach a dated heading, then the restriction page if one exists. [cite:1]

What you will not say. You will not quote a firmware path or a CSAT percentage the pages do not print. The W70 note is version 146.87.254.37 and the October 21 window. [cite:6]