Cisco's configuration gives the Unified CM SIP trunk to Webex (via the Local Gateway) an AAR CSS that reaches only PSTN reroute patterns (PSTNReroute).
Checked 2026-09-24
A calling search space with only access to PSTN route patterns: PSTNReroute
- Vendor
- Cisco
- Product
- Unified Communications Manager with Webex Calling
- Subsystem
- migration / coexistence dial plan
- Deployment
- hybrid
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Configure Unified CM for Webex Calling — Cisco Webex · tier 2 current vendor documentation · Calling search spaces / SIP trunk section
Cite this note
APA
WarmTransfer. (2026, September 24). Unified CM dial plan partitions and calling search spaces: source note cucm-dial-plan-webex-trunk-aar-css. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-dial-plan-webex-trunk-aar-css
BibTeX
@misc{warmtransfer-claim-cucm-dial-plan-webex-trunk-aar-css,
title = {Unified CM dial plan partitions and calling search spaces: source note cucm-dial-plan-webex-trunk-aar-css},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-dial-plan-webex-trunk-aar-css},
note = {Source note cucm-dial-plan-webex-trunk-aar-css, checked 2026-09-24}
}