[asterisk-users] Polarity Reversal Incorrect

[Marcus Vinicius]

Hi,

I have a FXO line in TDM410P card. Over some calls, after a few minutes of conversation, a busy tone occurs on the call. The call remains up, the two sides of the call is heard normally, but remains a busy tone in the middle of the conversation. When this occurs in the log appears the following:

Jul 10 13:22:45 DEBUG[11688] chan_zap.c: Got event Polarity Reversal(17) on channel 2 (index 0)
Jul 10 13:22:45 DEBUG[11688] chan_zap.c: Ignore switch to REVERSED Polarity on channel 2, state 6
Jul 10 13:22:45 DEBUG[11688] chan_zap.c: Ignoring Polarity switch to IDLE on channel 2, state 6
Jul 10 13:22:45 DEBUG[11688] chan_zap.c: Polarity Reversal event occured - DEBUG 2: channel 2, state 6, pol= 0, aonp= 0, honp= 0, pdelay= 600, tv= 1706049808

    
Anybody know how to fix this problem?

I tried to add relaxdtmf=yes in zapata.conf but the problem persisted. 

zapata.conf

[channels]
context=default
rxwink=300
usecallerid=yes
hidecallerid=no
callwaiting=no
usecallingpres=yes
restrictcid=no
callwaitingcallerid=yes
threewaycalling=yes
transfer=no
cancallforward=no
callreturn=yes
echocancelwhenbridged=yes
echotraining=yes
rxgain=0.0
txgain=-2.0
group=1
callgroup=1
pickupgroup=1
faxdetect=no
immediate=no
musiconhold=default
echocancel=yes
relaxdtmf=yes
context=default
busydetect=no

context=default
signalling=fxs_ks
group=2
channel=>1-3



    
Thank you.


--
Marcus


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