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SIP is registering but No audio

Unanswered Question
Sep 12th, 2014
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Hi Experts,

I have a Cisco ASA 5510 running 8.4(5) software version and my asterisk server is placed in the DMZ. The asterisk server is NATed with a public IP and forwarded the SIP port 5060(tcp/udp) and RTP 10000 - 20000 (tcp/udp) to the server. I can register the phone and make calls using public IP (of asterisk server) but can't here anything.

Is there any other ports needs to be opened?

 

Regards,

Ejaz

 

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Matthias Brauchle Fri, 09/26/2014 - 12:02
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Hi,

can you see on the ASA any blocks / Drops?

Perhaps the RTP Port Range is another, than 10000 - 20000. For instance, Cisco uses UDP 16384 - 32767.

Regards,

DrM

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