[Asterisk-Users] top-notch servers/OS/network, ulaw codec - sound still choppy

[Jon Radon]

I see the sip user is an external ip.  I would take a look at your QoS
settings on your router.  Make sure the voice traffic is getting the
priority it deserves.  Also, check for packet loss.


On Thu, 20 Jan 2005 11:26:02 -0800, Gabriel Afana <adtomi at adelphia.net> wrote:
> Hi,
>    My SIP calls are sounding a little choppy.  I've did my research but
> everything looks right on my end...what am I missing?
> 
> Running RedHat ES 3.0 on dual AMD Opteron servers.  My system is cololocated
> in downtown LA and is fed via a gigabit handoff from XO, AT&T, Level 3 and
> Wiltel (I have a 100Mb didicated line).  So I dont think its the Servers,
> its the network, Asterisk is working fine and all codecs look right...what
> could be the cause?
> 
> **SNIP FROM SIP.CONF***
> [general]
> context=default                 ; Default context for incoming calls
> port=5060                       ; UDP Port to bind to (SIP standard port is
> 5060)
> ;bindaddr=0.0.0.0                ; IP address to bind to (0.0.0.0 binds to
> all)
> srvlookup=yes                   ; Enable DNS SRV lookups on outbound calls
>                                ; Note: Asterisk only uses the first host
>                                ; in SRV records
> 
> allow=ulaw                      ; Allow codecs in order of preference
> *************************
> 
> ga0*CLI> sip show channels
> Peer             User/ANR    Call ID      Seq (Tx/Rx)   Format
> 64.201.99.247    9092479878  2fd496bf330  00103/00105   ulaw
> 
> ga0*CLI> show version
> Asterisk 1.0.3 built by root at g0.gafana.com on a x86_64 running Linux
> 
> P.S.  in my sip.conf file, it looks like I am only allowing the ulaw
> codec...could that cause a problem if I happen to need to call somebody that
> doesn't support ulaw?
> 
> Gabe
> 
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