Source note · Voice for remote and home workers
ICE Media Path Optimization for MRA requires TURN services turned on at the Expressway-E, a TLS-encrypted Expressway-C to Unified CM connection, Unified CM 11.5 or later in Mixed Mode or SIP OAuth mode, and MRA endpoints on a TLS-encrypted Phone Security Profile.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Expressway
- Subsystem
- mra-ice
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Expressway X12.5 and later; Unified CM 11.5 and later
- Checked
- 2026-09-25
Sources
- Mobile and Remote Access Through Cisco Expressway Deployment Guide (X15.2) - ICE Media Path Optimization — Cisco Systems · tier 2 current vendor documentation · ICE Media Path Optimization > Prerequisites
Cite this note
APA
WarmTransfer. (2026, September 25). Voice for remote and home workers: source note remote-worker-voice-mra-ice-prereqs. WarmTransfer. https://warmtransfer.net/knowledge/claims/remote-worker-voice-mra-ice-prereqs
BibTeX
@misc{warmtransfer-claim-remote-worker-voice-mra-ice-prereqs,
title = {Voice for remote and home workers: source note remote-worker-voice-mra-ice-prereqs},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/remote-worker-voice-mra-ice-prereqs},
note = {Source note remote-worker-voice-mra-ice-prereqs, checked 2026-09-25}
}