[asterisk-users] Does X100P decode caller ID?

[Yuan LIU]

>From: Leo Ann Boon <leo at datvoiz.com>
>>Is DTMF pass-through and caller ID fundamentally different?  This card 
>>does not seem to cause significant difficulty in DTMF detection.  The high 
>>DC voltage
>As I mentioned all the DSP work is done in software. So there shouldn't be 
>any fundamental difference.
>>during ringing could be one factor.  Any easy way to test serious 
>>mismatch?  The 600 Ohm is actually on-hook resistance, right?  Or is this 
>>audio impedance?  The
>600 Ohm is off-hook AC impedance for US and countries that follow the same 
>specs - consult your local regulatory docs.
>>card is indeed sold and used in North America.
>But, where in the world are you using it?
>
>Leo

I'm in FCC zone (North America).  Maybe the DAA has a defect under high 
voltage.  The way I heard it, sounded like the 20Hz ringing was passed 
through to ADC.  Possibly the ADC isn't able to recover from saturation in 
between rings.

Yuan Liu