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Cisco Bug: CSCta93149 - Interopertability between SIP and QSIG MGCP trunk not working for MWI

Last Modified

Mar 02, 2018

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases


Description (partial)


Configure three clusters, Cluster1, Cluster2, and Cluster3.
Configure a Voice mail system connected to Cluster1.
Cluster1 and Cluster2 are connected by a QSIG trunk (PRI or ICT)
Cluster2 and Cluster3 are connected by a SIP trunk

A voice mail is deposited on the Voice Mail system for a phone line in Cluster3.

The message waiting indication message originated from the Voice Mail system
destined for the phone line is Cluster3 is rejected at Cluster2

QSIG to SIP-trunk Message Waiting interoperability problem on CUCM ver 7.x and after.
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