[OpenSIPS-Users] No audio without without NAT

Răzvan Crainea razvan at opensips.org
Wed Aug 20 09:40:42 CEST 2014


Hi, Satish!

Indeed, if all your devices are behind the same NAT, you do not need 
mediaproxy or RTPProxy.
Are you sure you are not chaning SDP at all? Could it be an iptables 
issue, for example you have not opened the media ports?
If this is not the issue, can you provide a SIP trace on pastebin?

Best regards,

Răzvan Crainea
OpenSIPS Solutions
www.opensips-solutions.com

On 08/19/2014 11:58 PM, Satish Patel wrote:
> I have setup opensips on my LAB (local LAN) without any NAT device all 
> device sitting in 192.168.1.x network
>
> SIP-A and SIP-B both able to register on Opensips SIP proxy server, 
> They are able to call each other without any issue but there is no 
> audio..  what is wrong here? RTP stream should connect A to B
>
> I believe we don't need mediaproxy/RTPproxy here because we are not 
> talking about NAT
>
>
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