How to modify outbound cid by trunk?

Asterisk Asterisk Support
1

hi,
on our user database we use local outbound cid (ie. not contains the
country code) since only this case working with our pstn provider’s trunk the caller id. but when i register with tello.com they require to send outbound cid with country code. how can i modify outbound cid on each trunk? is the any similar way as in case of dial rules? it’d be very useful.
thanks in advance.
yours.

2

I asume that you have something like this:

;Trunk 1

Exten => _718XXXXXXX,1,Dial(SIP/${EXTEN}@provider)

Exten => _011.,1,Dial(SIP/${EXTEN}@provider)

etc…

So what you would do is set the caller ID first. So you would have

Exten => _718XXXXXXX,1,SetCallerID(+17185551212)
Exten => _718XXXXXXX,2,Dial(SIP/${EXTEN}@provider)

Exten => _011.,1,SetCallerID(+97255233641)
Exten => _011.,2,Dial(SIP/${EXTEN}@provider)