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Bridges from enterprise UC to open platforms

CUCM, Webex, and the contact center already have SIP seams in this lab. The open projects are the other side of a trunk, not a hidden mode inside CUCM.

Learn in 5 minutes

  1. Keep CUCM SIP Profile and a CUBE SIP profile distinct
  2. Name Local Gateway as the Webex premises PSTN role
  3. Place Asterisk or FreeSWITCH on the far side of a SIP trunk, not inside the Cisco product

Visual

CUCM trunk toward an open SIP server · study drawing · cyphermonkeylabs.com CUCMSBCKamailio INVITE INVITE 180 180

SVG HTML PNG

Each box keeps the job its own document gives it. The arrow is SIP.

Worked example

Name both sides A trunk is up. Name the object on each side without merging the names.

  1. Read the CUCM side.
  2. Read the open side.
  3. Say where the dialplan is.

Fault

A CUCM SIP Profile name was copied into an Asterisk file. The trunk fails and the note says the profiles are the same object.

A CUCM SIP Profile is not a CUBE sip-profiles list and not pjsip.conf.

Quiz

A CUCM SIP Profile is


UCCX call control is


Webex premises PSTN uses


Kamailio in this bridge is


rtpengine on this map


Emergency calling across the bridge


Ecosystem

Glossary, sister systems, and the integration seam for this room.

Analytics Amazon Connect can attach conversational analytics to an external voice system with a SIPREC connector. The analytics plane is not a second SIP proxy for the customer call.

Glossary · Ecosystem map · Ports · Troubleshooting

Sources and go deeper