Cisco Cisco Expressway
Hybrid Deployment
In this scenario, IM and Presence services for Jabber clients are provided via the WebEx cloud.
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.
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Mobile and Remote Access Through Cisco Expressway Deployment Guide
Deployment Scenarios