[asterisk-users] SIP CallerID Question

[Dave Fullerton]

Brent Davidson wrote:
> I have several branch offices all running Asterisk PBX's that register 
> to each other via SIP so that calls can be transferred from office to 
> office.  Everything is working great on the office to office transfers, 
> but I'd like to somehow make the CallerID more useful.  Currently if an 
> extension at Office1 dials an extension at Office2 the CID on the phone 
> at Office2 says "Office1".  The same thing happens if a person at 
> Office1 transfers an incoming call to Office2.  The caller ID at Office2 
> always just says "Office1".
> 
> What I would like to happen would be when Bob at Extension 12 at Office1 
> calls Office2 the caller ID at office 2 would say "Bob" in the name 
> files and "12" in the number field.  If Bob does a blind transfer to an 
> extension at Office2 I would like the caller ID on the Office2 phone to 
> display the original caller's name and number.
> 
> I've read most of the documentation on the CallerID variables, but am 
> still having a bit of trouble wrapping my head around the necessary 
> logic to accomplish what I need to do, (mainly because I'm in the middle 
> of a totally unrelated project and am having trouble multi-tasking).  
> Could anyone give me a starting point?
> 
> Thanks,
> Brent

Check the entries for office1 and office2 servers in sip.conf. If they 
have a callerid= entry comment it out and do a SIP reload. When it is 
set asterisk overrides the caller ID sent to it.

-Dave