Thanks all,
I did contact Callcentric about it and their tech support helped meget those 
headers established. They even helped to troubleshoot Asterisk dialplan.
A the end all works as it should.
Thank you,Ivan







Message: 2
Date: Mon, 15 Oct 2018 23:39:31 +0200
From: Daniel Tryba <[email protected]>
To: Asterisk Users Mailing List - Non-Commercial Discussion
    <[email protected]>
Subject: Re: [asterisk-users] Is there any way to pass caller id to
    cell phone?
Message-ID: <20181015213930.2a4uulq2z6xbfjcb@bogus>
Content-Type: text/plain; charset=us-ascii

On Thu, Oct 11, 2018 at 05:18:24PM +0000, Ivan Demkovitch wrote:
> Where problem comes in - if person not at the desk - his cell phone shows 
> call from OFFICE number and there is no way to tell who is really calling.
> We use Callcentric as a trunk if it makes any difference.
> I'd like to add info about caller when passing to cell phone if possible. Is 
> there any way to do that?

Maybe you should ask them how to do this! Maybe you should add a
Diversion header, maybe they don't allow this kind of spoofing at all.
This is a common request from users of SIP trunks and your use case is
legit. If Callcentric does checks on callerid validity and there is a
call to a customer with callerid X, they should be able to use this
callerid X when forwarding to an external device/number.



   
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