[Asterisk-Users] ECHO

[Justin Carlson]

We get echo on outgoing calls sip -> IAX2 -> asteriskHQ -> PRI the
receiving party hears only an excellent quality call.  I have included
our zapata.conf file it is identical on both machines.

[channels]
language=en
context=incoming
busydetect=no
callprogress=no
echocancel=yes
echocancelwhenbridged=yes
echotraining=yes
transfer=yes
threewaycalling=no
callforward=yes
cancallforward=yes
immediate=no
usecallerid=yes
rxgain=0.0
txgain=-10.0
signalling=pri_cpe
switchtype=dms100
group = 1
channel=1-23



On Wed, 2004-04-28 at 18:42, Ed Rubright wrote:
> In what scenarios do you have echo?  
> 
> HQ sip phones thru PRI?
> Remote sip phones thru IAX2 to PRI?
> Remote sip phones to HQ sip phones?
> 
> Ed
> 
> 
> -----Original Message-----
> From: asterisk-users-admin at lists.digium.com
> [mailto:asterisk-users-admin at lists.digium.com] On Behalf Of Justin Carlson
> Sent: Wednesday, April 28, 2004 5:59 AM
> To: asterisk-users at lists.digium.com
> Subject: [Asterisk-Users] ECHO
> 
> Hi,
> 
> OK I have been struggling with this echo problem for a while now and I need
> some help.  we have to * machines, one is in a remote office running 5 snom
> 200 phones(sip), and the other is at our corporate HQ also running sip.  the
> two machine communicate via an IAX2 trunk and the machine in our HQ has a
> single full PRI with digium hardware.  I have tried to use the zap utilities
> to adjust the gain but the vu meter for rx is always pegged, the tx meter is
> around 50-70 %.
> 
> any help would be excellent!
> 
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