Hello,

rtpproxy could bring some delays, as another hop in rtp path. But usually is not noticeable, unless rtpproxy is on a slow network.

Look at the traffic coming to rtpproxy and going out (with wireshark or similar tool) to be sure you have delays from rtpproxy.

Cheers,
Daniel

On 3/19/13 8:49 AM, Amr Elsharqawi wrote:

Hello,

I am facing NAT & Firewall problems how I can solve this issue I've tried RTPProxy but voice quality is bad.

any tutorial, please

Amr
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