ICE passthrough needs Expressway X12.5 or later and Unified CM 11.5 or later with Unified CM in SIP OAuth or mixed mode and endpoints on a TLS-encrypted phone security profile.

Checked 2026-09-24

Vendor
Cisco
Product
Cisco Expressway
Subsystem
ice
Deployment
on-premises
Region
not restricted
Release range
X12.5 and later
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Setting up Mobile and Remote Access on Cisco Expressway: source note expressway-mra-setup-ice-prereqs. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-mra-setup-ice-prereqs

BibTeX

@misc{warmtransfer-claim-expressway-mra-setup-ice-prereqs,
  title  = {Setting up Mobile and Remote Access on Cisco Expressway: source note expressway-mra-setup-ice-prereqs},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/expressway-mra-setup-ice-prereqs},
  note   = {Source note expressway-mra-setup-ice-prereqs, checked 2026-09-24}
}

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