When creating the Webex Calling trunk in Unified CM, the incoming port in its SIP Trunk Security Profile is set to 5065 so Unified CM accepts messages on that port and puts it in the Via header toward the Local Gateway.
Checked 2026-10-01
ensure that you configure the incoming port in the SIP Trunk Security Profile settings to 5065
- Vendor
- Cisco
- Product
- Cisco Unified CM
- Subsystem
- SIP trunk
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-10-01
- Checked
- 2026-10-01
Sources
- Configure Local Gateway on Cisco IOS XE for Webex Calling — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · Local Gateway with Unified CM (note on SIP Trunk Security Profile)
Cite this note
APA
WarmTransfer. (2026, October 1). Using Unified CM phones as Webex Contact Center agent stations: source note wxcc-cucm-agent-station-setup-ucm-trunk-port-5065. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxcc-cucm-agent-station-setup-ucm-trunk-port-5065
BibTeX
@misc{warmtransfer-claim-wxcc-cucm-agent-station-setup-ucm-trunk-port-5065,
title = {Using Unified CM phones as Webex Contact Center agent stations: source note wxcc-cucm-agent-station-setup-ucm-trunk-port-5065},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/wxcc-cucm-agent-station-setup-ucm-trunk-port-5065},
note = {Source note wxcc-cucm-agent-station-setup-ucm-trunk-port-5065, checked 2026-10-01}
}