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Cisco Bug: CSCtc12085 - SIP failing call w/o SDP in final 200 : Previous 180 has SDP

Last Modified

Feb 02, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

12.4(25)M0 12.4(25)M1

Description (partial)

None
Symptom:

Call Flow:

IOS Gateway -- Third party server

Tx  INVITE (with sdp offer)
Rx 183 Session progress (no sdp)
Tx PRACK
Rx 200 0K
Tx 180 Ringing (with sdp answer)
Rx PRACK
Tx 200 OK
Rx 200 OK (final response to INVITE no SPD)
Tx BYE
Rx BYE

IOS GW disconnects the call with the error "Destination SDP Body unavailable" once it gets a 200 OK
final response without sdp.
Conditions:

SIP Signaling
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