Acme Packet (MOSC)

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SRTP & RTP - using same IP at SBC

edited Jul 25, 2014 12:28AM in Acme Packet (MOSC) 8 commentsAnswered

Hi,

 

I have Acme 4500 running at 6.4 software version.

 

SBC's Media IP, say IP-A, is shared across multiple projects - each using specific range of UDP ports in Steering Pool definition.

 

In one of the project, this IP-A is configured for SRTP (with it's own specific steering pool range). There is a SRTP configuration defined in security-policy, such that the local-ip-addr-match is set to IP-A while remote-ip-addr-match is set to 0.0.0.0, with 0 as local-port-match & remote-port-match. This blanket configuration is causing RTP issues in my other projects -- which expect RTP on IP-A (of course, with different UDP ports).

 

If I set the remote-ip-addr-match to the exact IP used for SRTP related project Or set local port / mask to the one used in Steering-Pool for that project, it makes other projects to work well but SRTP one doesn't work - we hear very noisy media.  

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