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Unity Connection SIP integration

SIP integration with CUCM is the documented Unity Connection path. Open the guide for your version. This lesson does not make SCCP the default.

Learn in 5 minutes

  1. State that SIP integration is the documented path
  2. Use Diversion as a redirecting-number example
  3. Open the version’s integration guide

Visual

CUCM forwards to the Unity SIP peer · study drawing · cyphermonkeylabs.com PhoneCUCMUnity INVITE 100 INVITE 200

SVG HTML PNG

In this synthetic, 192.0.2.40 stands for the Unity Connection SIP peer.

Worked example

Find the called number Dissect the forwarded INVITE. Which header carries +15551212 as the redirecting target?

    Vendor menus, ports, and license names change. Confirm before relying on a sentence that is not an RFC.

    Fault

    Unity Connection answers, then cannot select a mailbox. The INVITE has no Diversion and no History-Info.

    Neither Diversion nor History-Info is present.

    Quiz

    The documented Unity Connection integration path in Cisco’s SIP integration guides is


    This lesson treats SCCP as


    Diversion in the synthetic names


    History-Info is specified by


    The Unity peer address on a real cluster comes from


    CUCM’s role on this call is


    Ecosystem

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

    AI omni-channel agents A voice bot still needs a session. SIP creates, modifies, and ends sessions. Omni-channel, in the contact-center sense, means the same contact can also live on chat or another digital channel. Those channels do not replace the voice session. On Amazon Connect the platform owns the managed PSTN voice channel. Bridging an outside carrier into Connect with a Chime Voice Connector is not a supported pattern unless AWS reviews it. When an SBC forks the voice leg to a recorder, that fork is SIPREC, a different plane from the customer dialog.

    AI agents A voice bot still needs a session. On Amazon Connect the platform owns the managed PSTN voice channel. Bridging an outside carrier into Connect with a Chime Voice Connector is not a supported pattern unless AWS reviews it. The FreeSWITCH manual page also describes SignalWire, founded by the FreeSWITCH team, as a hosted platform with AI agents behind REST APIs and SWML.

    Glossary · Ecosystem map · Ports · Troubleshooting

    Sources and go deeper