[asterisk-users] Does X100P decode caller ID?

[Leo Ann Boon]

Yuan LIU wrote:
>> From: Leo Ann Boon <leo at datvoiz.com>
>>> It is, and is identified by wcfxo as "a Wildcard FXO: Wildcard 
>>> X100P".  So much for "The DigitNetworks X100P is detected as an 
>>> actual X101P card."
>> IIRC, there were 2 Digium single FXO cards - the X100P using the 
>> Motorola SM56 and the X101P with Intel/Ambient 537. The X101Ps have 2 
>> RJ-11 jacks. Functionally, they're all Winmodems - effectively just 
>> DAAs connected to the PCI bus. The Zaptel driver is responsible for 
>> the caller ID and DTMF detection. Maybe you have a borked card or it 
>> could be due to impedance mismatch. I know that the X101P only works 
>> with FCC 600 Ohm impedance. For other parts of the world, YMMV.
>>
>> Leo
>
> 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