[asterisk-users] polarity on some channels

Lyle Giese lyle at lcrcomputer.net
Wed Oct 21 14:04:25 CDT 2009


B.Masoud @ SH wrote:
>
> Hello,
>
>  
>
> I have :
>
>  
>
> answeronpolarityswitch=yes
>
>  
>
> on chan_dahdi.conf
>
>  
>
> but it's making all my lines answer on polarity reversal, this causes
> a problem for PSTN lines, so how can I set these lines to answer
> immediately (when it rings)?
>
>  
>
> thanks
>
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>
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Try turning off callerid.  The 'standard' for POTS lines in the US is to
put the caller id in between ring1 & ring2.  Asterisk waits for callerid
before answering the line by default.

usecallerid=off
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