Source note · Unified CM Session Management Edition
When several trunks run on all nodes toward the same destination, each trunk needs a unique incoming and destination port number so it can be identified.
Checked 2026-09-25
a unique incoming and destination port number must be defined per trunk to allow each trunk to be identified uniquely
- Vendor
- Cisco
- Product
- Unified Communications Manager Session Management Edition
- Subsystem
- SIP trunks
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Unified CM 8.5-8.6
- Checked
- 2026-09-25
Sources
- Cisco Unified Communications Manager Trunks (Session Management Edition deployment guide 8.6(1)) — Cisco · tier 2 current vendor documentation · Trunks chapter, Run on all Active Unified CM Nodes
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM Session Management Edition: source note cucm-session-management-edition-unique-ports. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-session-management-edition-unique-ports
BibTeX
@misc{warmtransfer-claim-cucm-session-management-edition-unique-ports,
title = {Unified CM Session Management Edition: source note cucm-session-management-edition-unique-ports},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-session-management-edition-unique-ports},
note = {Source note cucm-session-management-edition-unique-ports, checked 2026-09-25}
}