asterisk users - Feb 2013 - Caller ID to be identical across all lines

I have two SIP lines, 09271xxxx & 09974xxxx , the 09271xxxx is my publicly
list phone line which is also my second pick, when i make an outgoing call
, I use 09974xxxx, what I want is the caller ID for 09974xxxx to be
09271xxxx to the people I call.

The reason is.. when i ring anyone i want them recognise my number (which
they will if it is 09271xxxx).

 I have tried to change the caller ID in the trunk routes there was no
differnece, what i do at the moment is sent 09974xxxx calls to the IVR of
09271xxxx but it would be nice to have an elegant solution.  Is the caller
ID generated at the phone exchange , if so, i probably cannot change it.

Thanks in advance - Paul E
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On Mon, 18 Feb 2013, Paul Edgar wrote:
> ?I have tried to change the caller ID in the trunk routes there was no 
> differnece, what i do at the moment is sent 09974xxxx calls to the IVR 
> of 09271xxxx but it would be nice to have an elegant solution. ?Is the 
> caller ID generated at the phone exchange , if so, i probably cannot 
> change it.
It depends on your PSTN termination company.

Some let you set CID to anything, some to any DID you rent from them, some 
not at all.

You should ask them what format they want/allow the CID specified -- how 
many digits, country code, punctuation, etc. If you don't follow their 
format, all bets are off.

-- 
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards       sedwards at sedwards.com      Voice: +1-760-468-3867 PST
Newline                                              Fax: +1-760-731-3000