[asterisk-users] caller id problem

[Terry Nathan]

Hi Cary,

Thanks for the quick reply :D I get what you're saying. I have a 
suspicion that it is the telco's fault since every other number that 
receives a call from my Asterisk box displays the correct number. I'll 
give setting the caller id another go and play with that.

I guess what I am looking for is
       a) confirmation that this problem has happened to other people and
       b) a suggestion of how to point the tech support in the right 
direction so they can fix this problem for me, or how I can just 
override this problem myself.

Thanks again for your help and quick reply.

Cary Fitch wrote:
> 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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