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Cisco Bug: CSCuq98155 - IPV6 calls across sip trunk fails

Last Modified

Jul 03, 2017

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases


Description (partial)

IPV6 calls across sip trunk fails. Call manager does not respond to 180/200 OK/BYE message.

We can see "Unexpected end of string" in SIP stack when we receive a 180/200 OK/BYE message from the remote side. This is because of "maddr" coming in CONTACT header in 180/200 OK/BYE messages.
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