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Cisco Bug: CSCtb13417 - CCM should end the call if receiving H225 msg with non-support QSIG data

Last Modified

Feb 22, 2014

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases


Description (partial)

When interconnect CUCM to H.323 gateway using QSIG tunneling. CUCM sends out Tunneled H225Setup to gateway. [ Annex M1 setup ] and expects H225Progress with Annex M1 but what it actually receives is "GTD" response. Upon receiving this H225Progress msg, currently CUCM wait for the H225Connect msg. CUCM shouldn't need to wait for this H225Connect msg. CCM should release the call immediately after receiving H225 message with non - supported Tunneled data.

Cisco IOS Software H.323 QSIG tunneling does not implement Annex-M1 (as the Cisco Unified Communications Manager H.323 implementation does). Instead it uses the ISDN Generic Transparency Descriptor (GTD) to transport QSIG messages in the corresponding H.225 message to another Cisco gateway device on the other side of the network.
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