On the SIP trunk, the inbound Calling Search Space, Rerouting Calling Search Space and Out-of-Dialog Refer Calling Search Space are each set to a calling search space that contains the user phones.

Checked 2026-09-25

Vendor
Cisco
Product
Cisco Unified Communications Manager
Subsystem
SIP trunk
Deployment
on-premises
Region
not restricted
Release range
Unity Connection 15 integration guide
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Integrating Unity Connection with Unified CM: source note unity-connection-cucm-integration-setup-sip-reroute-css. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-cucm-integration-setup-sip-reroute-css

BibTeX

@misc{warmtransfer-claim-unity-connection-cucm-integration-setup-sip-reroute-css,
  title  = {Integrating Unity Connection with Unified CM: source note unity-connection-cucm-integration-setup-sip-reroute-css},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/unity-connection-cucm-integration-setup-sip-reroute-css},
  note   = {Source note unity-connection-cucm-integration-setup-sip-reroute-css, checked 2026-09-25}
}

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