5 Mar
2013
5 Mar
'13
7:01 a.m.
Hi all,
When using STUN, I can detect my NAT type. The SDP contain x-NAT field (0:
unknown, 1: full cone, ..., 6: symmetric) which tells Kamailio the NAT type
of clients. Why doesn't Kamailio use that ?
On Mon, Mar 4, 2013 at 7:11 PM, Mitan Lopez <mitan23(a)aol.com> wrote:
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)
Mitan Lopez
mitan23(a)aol.com
-----Original Message-----
From: Alex Balashov <abalashov(a)evaristesys.com>
To: sr-users <sr-users(a)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:
--
Khoa Pham
HCMC University of Science
Faculty of Information Technology
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/
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