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Cisco Bug: CSCup77888 - Unity Conn SRSV supported topologies needs to clarify SRST integration

Last Modified

Feb 11, 2018

Products (8)

  • Cisco Unity Connection
  • Cisco Intercompany Media Engine
  • Cisco Unity Connection Version 9.1
  • Cisco Business Edition 5000 Version 9.1
  • Cisco Unity Connection Locale Installer
  • Cisco Business Edition 6000 Version 9.1
  • Cisco Unified Communications Manager Version 9.1
  • Cisco Unified Communications Manager Session Management Edition

Known Affected Releases


Description (partial)

Based on the supported SRSV topologies section in the CUC SRSV reference guide, it doesn't specify what integration methods of CUC should be used.

The issue is that not all integration methods are supported for the various SRST options.

We have internal documentation that states the following integrations are expected configurations.
SRST (call-manager-fallback) only supports a SIP integration with CUC.
CME-SRST (telephony-service) supports both SCCP and SIP integrations.

Unity Connection SRSV
IOS SRST or CME-SRST integration
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