[cisco-voip] SIP Caller ID issue

[Charles Goldsmith]

We see this a lot with carriers, it prevents scammers from changing
caller-id info.  Some carriers will make an exception for things like main
numbers, just have to prove you own that number, which isn't hard.

I've never went through the excercise of modifying the SIP header to
resolve this.

On Fri, Jan 16, 2015 at 10:09 AM, Mike <mikeeo at msn.com> wrote:

> Hi all , I have a situation where the carrier (XO) is not allowing the
> call manager to send caller ID if it’s not a number assigned to the trunk.
> In this situation the main number is not on the sip trunk its on a PRI. The
> XO tech said you can get around this by modify the SIP header in the from
> field. Anyone ever ran into this?
>
>
>
> Thanks,
>
> Mike
>
>
>
>
>
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