Re: [asterisk-users] How to correctly set REDIRECTING to indicate diversion reason

[Richard Mudgett]

On Tue, Nov 21, 2017 at 5:04 AM, Benoit Panizzon 
wrote:

> Hi Richard
>
> Thank you
>
> > You need to set more redirecting information [1].
> >
> > In sip.conf send_diversion=yes needs to be in effect.  You also need
> > to setup
> > the from party id information (at least the from number) to indicate
> > where you
> > are redirecting from.  You should also increment the redirecting
> > count.
> >
> > Richard
> >
> > [1]
> > https://wiki.asterisk.org/wiki/display/AST/Manipulating+
> Party+ID+Information
>
> I'm back to chan_sip to get quicker progress in our test scenario as I
> know this better than pjsip :-)
>
> send_diversion=yes is the default if it is not set, so that's correctly
> set.
>
> I altered my test dialplan and got some success but also another weird
> problem now:
>
> exten => XX,1,NoOp(Call to ${EXTEN} from ${CALLERID(all)})
> exten => XX,n,Progress
> exten => XX,n,Ringing
> exten => XX,n,Wait(10)
> exten => XX,n,set(REDIRECTING(from-num)=${EXTEN})
>

You need to use the 'i' option of REDIRECTING here as described in the
manipulating
party id wiki page.


> exten => XX,n,set(REDIRECTING(reason)=cfnr)
> exten => XX,n,Transfer(SIP/ZZ)
>
> How everytime REDIRECTING is called, this causes a 181 call is being
> forwarded to the caller, but containing no diversion information.
>
> The Transfer (302 Moved Temporarily) contains two Diversion: headers,
> one with reason=unknown and one with reason=no-answer which would be the
> correct one.
>
> I start to think I stumbled over a bug. Maybe using REDIRECTING() would
> set the correct headers if I used DIAL to forward the call. But I don't
> want to create a second call leg. So maybe Transfer already is setting
> a Diversion: header with hardcoded reason 'unknown'.
>

That could be possible and would be a bug in chan_sip.

Richard
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Re: [asterisk-users] How to correctly set REDIRECTING to indicate diversion reason

[Benoit Panizzon]

Hi Richard

Thank you

> You need to set more redirecting information [1].
> 
> In sip.conf send_diversion=yes needs to be in effect.  You also need
> to setup
> the from party id information (at least the from number) to indicate
> where you
> are redirecting from.  You should also increment the redirecting
> count.
> 
> Richard
> 
> [1]
> https://wiki.asterisk.org/wiki/display/AST/Manipulating+Party+ID+Information

I'm back to chan_sip to get quicker progress in our test scenario as I
know this better than pjsip :-)

send_diversion=yes is the default if it is not set, so that's correctly
set.

I altered my test dialplan and got some success but also another weird
problem now:

exten => XX,1,NoOp(Call to ${EXTEN} from ${CALLERID(all)})
exten => XX,n,Progress
exten => XX,n,Ringing
exten => XX,n,Wait(10)
exten => XX,n,set(REDIRECTING(from-num)=${EXTEN})
exten => XX,n,set(REDIRECTING(reason)=cfnr)
exten => XX,n,Transfer(SIP/ZZ)

How everytime REDIRECTING is called, this causes a 181 call is being
forwarded to the caller, but containing no diversion information.

The Transfer (302 Moved Temporarily) contains two Diversion: headers,
one with reason=unknown and one with reason=no-answer which would be the
correct one.

I start to think I stumbled over a bug. Maybe using REDIRECTING() would
set the correct headers if I used DIAL to forward the call. But I don't
want to create a second call leg. So maybe Transfer already is setting
a Diversion: header with hardcoded reason 'unknown'.

-Benoît Panizzon-
-- 
I m p r o W a r e   A G-Leiter Commerce Kunden
__

Zurlindenstrasse 29 Tel  +41 61 826 93 00
CH-4133 PrattelnFax  +41 61 826 93 01
Schweiz Web  http://www.imp.ch
__

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Re: [asterisk-users] How to correctly set REDIRECTING to indicate diversion reason

[Richard Mudgett]

On Mon, Nov 20, 2017 at 8:43 AM, Benoit Panizzon 
wrote:

> Hello List
>
> Next question where google did not spit out an unsable answer.
>
> When redirecting a call with Transfer, I would like to correctly
> indicate the reason.
>
> I did try this:
>
> exten => XX,1,NoOp(Call to ${EXTEN} from ${CALLERID(all)})
> exten => XX,n,Dial(SIP/ZZ)
> exten => XX,n,set(REDIRECTING(reason)=cfb)
> exten => XX,n,Transfer(SIP/YY)
>
> I did try with 'reason' 'orig-reason' I added cfb with and only quotes,
> I did try cfnr.
>
> But the 302 message generated this way allways contains reason=unknown
> in the diversion header.
>
> Any hint welcome.
>

You need to set more redirecting information [1].

In sip.conf send_diversion=yes needs to be in effect.  You also need to
setup
the from party id information (at least the from number) to indicate where
you
are redirecting from.  You should also increment the redirecting count.

chan_pjsip has the same requirements.  pjsip.conf send_diversion=yes needs
to
be in effect and you also need to setup the from party id information.

Richard

[1]
https://wiki.asterisk.org/wiki/display/AST/Manipulating+Party+ID+Information
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[asterisk-users] How to correctly set REDIRECTING to indicate diversion reason

[Benoit Panizzon]

Hello List

Next question where google did not spit out an unsable answer.

When redirecting a call with Transfer, I would like to correctly
indicate the reason.

I did try this:

exten => XX,1,NoOp(Call to ${EXTEN} from ${CALLERID(all)})
exten => XX,n,Dial(SIP/ZZ)
exten => XX,n,set(REDIRECTING(reason)=cfb)
exten => XX,n,Transfer(SIP/YY)

I did try with 'reason' 'orig-reason' I added cfb with and only quotes,
I did try cfnr.

But the 302 message generated this way allways contains reason=unknown
in the diversion header.

Any hint welcome.

-Benoît Panizzon-
-- 
I m p r o W a r e   A G-Leiter Commerce Kunden
__

Zurlindenstrasse 29 Tel  +41 61 826 93 00
CH-4133 PrattelnFax  +41 61 826 93 01
Schweiz Web  http://www.imp.ch
__

-- 
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Check out the new Asterisk community forum at: https://community.asterisk.org/

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  https://wiki.asterisk.org/wiki/display/AST/Getting+Started

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