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Cisco Bug: CSCvs67791 - 491 returned on midcall INVITE when peer leg is not pending a request

Last Modified

Jun 02, 2020

Products (1)

  • Cisco IOS

Known Affected Releases

15.7(3)M 15.7(3)M3

Description (partial)

A 491 Request Pending error is returned on midcall re-INVITE when the peer leg is not pending a request.

The original ACK does not reset teh Midcall Peer Invite Idicator flag properly.

SIP to SIP call flow with midcall re-INVITE
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