On Wed, 2 Mar 2011 14:06:12 +0200, Tzafrir Cohen
<[email protected]> wrote:
>Any chance thi information is available through polarity reversal?
>
>In thise case:
>
>  answeronpolarityswitch = yes
>  hanguponpolarityswitch = yes

Thanks for the tip. Google returned a bunch of discussions about
issues such as not detecting that the remote party has hung up.

Does someone know if it's OK to use all those for a TDM with an FXO
module, or should only some be used together?

========== zapata.conf
busydetect=yes
busycount=4

answeronpolarityswitch=yes
hanguponpolarityswitch=yes
polarityonanswerdelay=1
polarityevents=yes

callprogress=yes
==========

BTW, am I correct in understanding that there are three ways for a
telco to signal a hangup:
- polarity reversal
- disconnect clear" (break in the electric current on the phone line
when the other person hangs up)
- BUSY signal
?

I need to detect that the call is RINGING (which might not be answered
at all), the remote end has answered and has hung up.

Thank you.


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