Great, thanks for the info. This is a service provided from my colo, so I will have to give them a call and find out whats up with their router settings. As for packet loss, how do I check for that?

Gabe

----- Original Message ----- From: "Jon Radon" <[EMAIL PROTECTED]>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" <[email protected]>
Sent: Thursday, January 20, 2005 12:32 PM
Subject: Re: [Asterisk-Users] top-notch servers/OS/network,ulaw codec - sound still choppy



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 <[EMAIL PROTECTED]> 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 [EMAIL PROTECTED] 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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