then what would be this bad DSP or RTP packages dropping reason for that makes such noises? (for example if I speak louder that train soud gets louder or when I speak low the win/train sound gets lower as well)
-----Original Message-----
From: Alex Balashov <abalashov@evaristesys.com>
To: sr-users <sr-users@lists.sip-router.org>Sent: Mon, Mar 4, 2013 3:25 pm
Subject: Re: [SR-Users] Cannot hear voice with symmetric NAT and STUN
On 03/04/2013 06:53 AM, Mitan Lopez wrote: > I understand, but some times 2 UAs have audio one side voice is clear > but in other side voice is just like train sound (or wind sound) is > this from NAT too? No. NAT does not introduce any acoustic anomalies; it would simply prevent the reachability of audio altogether. What you describe sounds like a bad DSP or gateway similar. ... unless the handset you are using generates this kind of noise when it is not receiving incoming RTP. -- Alex -- Alex Balashov - Principal Evariste Systems LLC 235 E Ponce de Leon Ave Suite 106 Decatur, GA 30030 United States Tel: +1-678-954-0670 Web: http://www.evaristesys.com/, http://www.alexbalashov.com/ _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users@lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
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