[asterisk-users] Does X100P decode caller ID?

[Eric "ManxPower" Wieling]

Yuan LIU wrote:
>> From: "Yuan LIU" <yliu11 at hotmail.com>
>>
>> The SM56 MODEM manual says it does.  But when used with zaptel 1.2.12, 
>> nothing shows up.
> 
> Debug level 6 (Asterisk 1.4.0) only shows:
> [Jan 26 22:56:46] ERROR[25603]: callerid.c:564 callerid_feed: fsk_serie 
> made mylen < 0 (-14)
> [Jan 26 22:56:46] WARNING[25603]: chan_zap.c:6389 ss_thread: CallerID 
> feed failed: Success
> [Jan 26 22:56:46] WARNING[25603]: chan_zap.c:6489 ss_thread: CallerID 
> returned with error on channel 'Zap/1-1'

If you are in a country that uses FSK Caller*ID, this error usually 
indicates that the rxgain is too high or too low.