Cisco Bug: CSCur30437 - Re-INVITE without SDP are not forwarded through PGW.

Last Modified

May 05, 2016

Products (1)

Applications for Cisco Unified Application Environment

Known Affected Releases

9.8(1)P18 9.8(1)S18

Description (partial)

Symptom:
causing the SIP A Side to send Bye as it does not receive the Re-Invite for any changes in parameter initiated by SIP B Side .

Conditions:
On a SIP to SIP call going over two PGWs with E-ISUP in between,  post the call establishment, B-side sends a Re-Invite which contains no SDP offer to the out bound PGW. This PGW-01 sends E-ISUP notify to in bound PGW (PGW-09). But this PGW-09 does not send any re-invite out to A-side.

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