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Cisco Bug: CSCtf03557 - PGW 9.7(3) No ACK for undefined SIP codes (477)

Last Modified

Feb 22, 2014

Products (1)

  • Applications for Cisco Unified Application Environment

Known Affected Releases


Description (partial)


Some undefined SIP error codes (f.e. 477) are not Acked by PGW. A call is dropped silently. Remote side is retransmitting SIP message.


Undefined error code.
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