[Asterisk-Users] Panasonic KX-TD1232 Signaling

[Dan Morin]

My company has an old Panasonic KX-TD1232 phone system that they are
using.  I want to interface my Asterisk box with this system for a good
conferencing solution.  I have two X100P clone cards in my server for
testing.  They are hooked up to the analogue phone ports on the back of
the digital phones.

 

My problem is that the Panasonic system does not do hang-up signaling so
the X100Ps don't know when to hangup the phone.  I've put a volt meter
on the line and the voltage does not change at all when the Panasonic
Phone is hung up.  I've gotten it to work sometimes with the busy detect
because the Panasonic system provides a busy signal when the other end
hangs up, however, this is not ideal for voicemail and conferences,
especially because it only works two out of three times.

 

If anyone has any solution to this situation, besides using a PRI line
between the two, let me know.

Thanks,

Dan

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