asterisk users - Mar 2010 - Follow-up to CALLERID(num) not working

I sent a question yesterday about having problems setting the caller ID.

I turned on pri debug for both a good and bad call and I see this in the good
call

[2010-03-05 05:58:20.743] > [6c 0c 21 80 30 30 30 30 30 30 30 30 30 30]
[2010-03-05 05:58:20.744] > Calling Number (len=14) [ Ext: 0  TON: National
Number (2)  NPI: ISDN/Telephony Numbering Plan (E.164/E.163) (1)
[2010-03-05 05:58:20.744] >                           Presentation:
Presentation permitted, user number not screened (0)  '0000000000' ]


and this is the bad one

[2010-03-05 06:19:27.099] > [6c 0c 21 c3 30 30 30 30 30 30 30 30 30 30]
[2010-03-05 06:19:27.099] > Calling Number (len=14) [ Ext: 0  TON: National
Number (2)  NPI: ISDN/Telephony Numbering Plan (E.164/E.163) (1)
[2010-03-05 06:19:27.100] >                           Presentation: Number
not available (67)  '0000000000' ]


Clearly this is why the caller ID is not being set. My question is who is
figuring out if the forth value in the [ ] is 80 (where it works) or c3 (where
it does not work)? The number was not actually 0000000000.

The first call was made from a SIP phone registered to the Asterisk box with the
PRI line and the second one was via an IAX trunk to the system with the PRI
line.

Is there some setting in some conf file that allows or disallows this behavior?
-- 
Jim Dickenson
mailto:dickenson at cfmc.com

CfMC
http://www.cfmc.com/