Expressway-C and Expressway-E are linked for MRA by a traversal zone of type Unified Communications traversal, with TLS and media encryption.

Checked 2026-09-24

Vendor
Cisco
Product
Cisco Expressway
Subsystem
configuration
Deployment
on-premises
Region
not restricted
Release range
X15.2 guide; current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Expressway and Mobile and Remote Access: source note cucm-expressway-mra-uc-traversal-zone. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-expressway-mra-uc-traversal-zone

BibTeX

@misc{warmtransfer-claim-cucm-expressway-mra-uc-traversal-zone,
  title  = {Expressway and Mobile and Remote Access: source note cucm-expressway-mra-uc-traversal-zone},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-expressway-mra-uc-traversal-zone},
  note   = {Source note cucm-expressway-mra-uc-traversal-zone, checked 2026-09-24}
}

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