Yes, the issue(s) is/are:
1. The VOIP provider may be masking the callerID for their own cost
allocation reasons. That is some of the issue.
2. Your Asterisk box may forward some of the regular phone line calls with
their caller ID.
3. Somehow, the number you want to use may leak through sometimes. :-)
What you need to do is put in a simple, absolute "CallerID(num)
3216540987" type of statement before sending the call out. Make it apply to
every call no matter what.
That isn't the syntax but you get the idea. Of course you won't have
true
caller ID then, but do you want "cheap" or "real"?
Cary Fitch
-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Terry Nathan
Sent: Friday, August 07, 2009 12:49 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [asterisk-users] caller id problem
I'm having a weird problem with CallerIDs and I can't tell if it is a
problem with Asterisk, the telco, or the VOIP provider I'm using.
Basically, I am using Asterisk as a proxy for my cell phone. People call
in and the call gets forwarded to my personal number. The feature on my
phone allows for unlimited phone calls from one number, any time, for
$7/month, so I'm saving a bundle (I use it for outgoing too). However,
whenever somebody calls in and the call is forwarded to my regular telco
cell number, the number is coming up different e.g. instead of 478-9987
(made up number) it is coming in as 383-6894. Since it is now a
"different number" I am getting charged for incoming calls and my neat
trick is no longer working.
I'd just like to know if anybody has an inkling as to where the problem
might be. I've tried to use Asterisk to set the CallerID and nothing has
changed. I have called both the telco and VOIP provider's tech support
and they both seem to blame the other.
To make things even more strange, over the course of dozens and dozens
of calls, I have twice received a call from the correct number! That is
the 478-9987 number, not the 383-6894. But I have no idea what the
conditions where to make that happen.
Additionally, it seems that most everybody else who gets a call from the
Asterisk box receives the correct number, suggesting that the problem is
with the telco. But I can't be certain, and besides their tech support
is no help at all. I'm running out of options and I may need to switch
providers.
I know this is only loosely related to Asterisk, but any help would be
greatly appreciated.
Thanks in advance.
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