[asterisk-users] polarity reverse

Alec Davis sivad.a at paradise.net.nz
Tue Apr 6 14:08:15 CDT 2010


Is the call successfull? 
The 'Ignore polarity reversal on line seizure' may just be a warning.

What equipment, which Telco is the FXO card connected to?

Alec Davis 


-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Justas
Gulbinskas
Sent: Wednesday, 7 April 2010 12:03 a.m.
To: asterisk-users at lists.digium.com
Subject: [asterisk-users] polarity reverse

Hi,

I have a problem with polarity reverse

this my dahdi config 

[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
 relaxdtmf=yes
 rxgain=0.0
 txgain=0.0
 group=1
 callgroup=1
 pickupgroup=1
 immediate=no
 answeronpolarityswitch=yes 

I use asterisk 1.6.2 and sangoma a400 fxo ports.
Then i try call i get chan_dahdi.c: Ignore possible polarity reversal on
line seizure



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