Source note · Expressway and Mobile and Remote Access
Over MRA, SIP Path headers must be enabled for Shared Lines, Multiple Lines, BiB call recording, Silent Monitoring and Key Expansion Modules. Cisco recommends Unified CM 11.5(1)SU4 or later for this.
Checked 2026-09-24
minimum Unified CM release of 11.5(1)SU4
- Vendor
- Cisco
- Product
- Cisco Expressway
- Subsystem
- features
- Deployment
- on-premises
- Region
- not restricted
- Release range
- X15.2 guide; current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Mobile and Remote Access Through Cisco Expressway Deployment Guide (X15.2) - Features and Additional Configurations — Cisco Systems · tier 2 current vendor documentation · Features and Additional Configurations chapter, Enable SIP Path Headers
Cite this note
APA
WarmTransfer. (2026, September 24). Expressway and Mobile and Remote Access: source note cucm-expressway-mra-sip-path-headers. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-expressway-mra-sip-path-headers
BibTeX
@misc{warmtransfer-claim-cucm-expressway-mra-sip-path-headers,
title = {Expressway and Mobile and Remote Access: source note cucm-expressway-mra-sip-path-headers},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-expressway-mra-sip-path-headers},
note = {Source note cucm-expressway-mra-sip-path-headers, checked 2026-09-24}
}