Cisco Cisco Expressway
Unsupported deployments
VPN links, between the Expressway-C and the Unified CM services / clusters, are not supported.
"Mixed" traversal connections are not supported. That is, we do not support traversal zones, or Unified
Communications traversal zones, between Cisco VCS and Cisco Expressway even though it is possible to
configure these zones.
Communications traversal zones, between Cisco VCS and Cisco Expressway even though it is possible to
configure these zones.
Explicitly, we do not support VCS Control traversal to Expressway-E, nor do we support Expressway-
C traversal to VCS Expressway.
C traversal to VCS Expressway.
Unified Communications Mobile and Remote Access via Cisco Expressway Deployment Guide (X8.5.1)
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Deployment scenarios