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Cisco Bug: CSCul08311 - SIP ALG will drop NAT if FQDN is instead of IP in the "c=" line of SDP

Last Modified

Jan 29, 2017

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

15.2(4)S 15.3(3)S0.10

Description (partial)

Symptom:
SIP ALG will drop NAT traffic.

Conditions:
In a case, FQDN instead of IP address is included in the "c=" line of SDP in the 200 OK response, and SIP ALG will drop this message
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