[cisco-voip] UCCX Callback Call Redirect Adding Diversion Header

[Brian Meade]

I think that should work! I can strip it on the dial-peer side to remove
the Diversion header for those new dial-peers.

On Tue, Apr 21, 2020 at 3:01 PM Kent Roberts <kent at fredf.org> wrote:

> Can you prepend an access code on it and use a different trunk port/dial
> peer and strip it that way?
>
>
> Kent
>
> On Apr 21, 2020, at 11:41, Brian Meade <bmeade90 at vt.edu> wrote:
>
> 
> Hey everyone,
>
> I'm working on a UCCX Callback deployment which seems to be a weekly thing
> lately.
>
> But in this customer's environment, I'm noticing the outbound Call
> Redirect Step is actually causing a diversion header to be sent out the
> Customer SIP Trunk on the Outgoing Invite.  The phone number is actually
> the destination number we're doing the callback to.
>
> Diversion: <sip:915555551212 at 10.0.0.1
> >;reason=deflection;privacy=off;screen=yes
>
> They've got Redirecting number outbound checked on the SIP Trunk for
> call-forwarding/SNR to preserve the original calling number correctly.
>
> The carrier is not accepting the call because of the Diversion header and
> the agent gets a message from the carrier "call cannot be completed as
> dialed".
>
> I've tried sending the call through a translation pattern but that didn't
> seem to strip out the redirecting number.
>
> I'm curious if anyone has seen this with a callback script because I don't
> remember a Diversion header being normal but maybe I've just always missed
> it.
>
> I can't turn off the Diversion header completely without breaking
> call-forwarding.
>
> Only thing I can think of would be a LUA script to strip the Diversion
> header if the Calling Number is for an agent extension since those
> shouldn't be ever forwarded anyways.
>
> Anyone got any ideas on how to strip off this Diversion header just for
> these callback calls?
>
> Thanks,
> Brian Meade
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