asterisk users - Feb 2008 - FXO modules and polarity reverse

I would like to know if any body tried to connect gsm gateway with polarity
reversal to fxo module at asterisk server ,and if the polarity reversal solve
the problem of the answer and hangup supervison on calls .i appreciate any
help.Thanks in advance;Wassim
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On Wed, Feb 06, 2008 at 09:54:14PM +0200, wassim darwish
wrote:
> 
> I would like to know if any body tried to connect gsm gateway with 
> polarity reversal to fxo module at asterisk server ,and if the 
> polarity reversal solve the problem of the answer and hangup 
> supervison on calls .i appreciate any help.Thanks in advance;Wassim
Which FXO adapter?

I hope you realise that the X100P that our Impartial Sam is pushing for
to connect to some GSM gateways does not support detecting polarity
reversal.

-- 
               Tzafrir Cohen
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