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Cisco Bug: CSCua96500 - Wrong NATing of SDP Header in ReInvites

Last Modified

Jan 24, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

15.1(4)M4.2

Description (partial)

Symptom:
The IP address in the SDP reInvite header is being NAT'ed which breaks the voice connection after 3 minutes.

Conditions:
2 phones on the inside establish a voice call using SIP, the SIP Server/Provider is located on the outside
NAT overload is configured
Zone Based Filrewall is configured
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Bug Details Include

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  • Status
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