[asterisk-users] Noise on FXS ports (Sangoma)

[Stephen Bosch]

shadowym wrote:
> I don't see any mention of you adjusting gains on the card/phones.  Also,
> what are you doing for echo cancellation?  Can you post your zapata.conf
> file?

I had actually tried to adjust the gains, but it actually seemed to make
the problem worse.

I turned echo cancellation off on bridged calls because it did not seem
to be necessary and did weird things to the sidetone

Here is the zapata.conf:

> ;autogenerated by /usr/local/sbin/config-zaptel  do not hand edit
> ;Zaptel Channels Configurations (zapata.conf)
> ;
> ;For detailed zapata options, view /etc/asterisk/zapata.conf.orig
> 
> [trunkgroups]
> 
> [channels]
> context=default
> usecallerid=yes
> hidecallerid=no
> callwaiting=yes
> usecallingpres=yes
> ;callwaitingcallerid=yes
> threewaycalling=yes
> transfer=yes
> canpark=yes
> cancallforward=yes
> callreturn=yes
> echocancel=yes
> ;echocancelwhenbridged=yes
> ;rxgain=2.5
> ;txgain=4.0
> group=1
> callgroup=1
> pickupgroup=1
> 
> immediate=no
> 
> ;Sangoma A200 [slot:8 bus:1 span:1]
> context=private-incoming
> group=0
> signalling = fxs_ks
> channel => 4
> 
> context=office-incoming
> group=1
> signalling = fxs_ks
> channel => 3
> 
> context=office-incoming
> group=1
> signalling = fxs_ks
> channel => 7
> 
> context=fax-incoming
> group=0
> signalling = fxs_ks
> channel => 8
> 
> context=fax-internal
> relaxdtmf=yes
> group=2
> signalling = fxo_ks
> channel => 2
> 
> context=private-internal
> relaxdtmf=yes
> group=2
> signalling = fxo_ks
> channel => 1


-Stephen-