[Asterisk-Users] Asterisk DNID/RDNIS with Dial iax2

[Alexander Lopez]

You can use the __Variables They are passed along the IAX2 channel


> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] On Behalf Of Steve Totaro
> Sent: Friday, April 28, 2006 9:24 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [Asterisk-Users] Asterisk DNID/RDNIS with Dial iax2
> 
> I am not sure if it works but if you construct your iax.conf to
include
> a [slave] section there is an option (sendani=yes I believe) but then
> your dial statement would not include IP and credentials, just
> Dial(IAX2/SLAVE/${EXTEN})
> 
> Isn't the ${EXTEN} variable being received on your slave box the info
> you are looking for?  How using setvar to set RDNIS to the EXTEN
value?
> 
> Andrew wrote:
> > Dear Asterisk-Users:
> >
> > Question:
> > ========
> >
> > How do I get asterisk to pass DNID/RDNIS information between
> > asterisk machines using iax2, in a Dial(IAX2...) command ?
> >
> > Setup:
> > =====
> >
> >   I have two asterisk boxes, MASTER and SLAVE.  MASTER is running
> > 1.2.0 and SLAVE is running 1.2.1.  The main box handles incoming
calls
> > on a multiple lines (both via hardware connection to our internal
PBX
> > and calls forwarded to us by our IAX provider).
> >
> >   Based on a dialed extension, users are passed to a SLAVE asterisk
> > box.  extensions.conf on the MASTER includes a line like the
following
> > to forward via iax2 to the SLAVE box at 10.23.1.43:
> >
> >   exten => _777XXXXX,2,Dial(IAX2/guest at 10.23.1.43/${EXTEN})
> >
> >   I would like to run and store statistics on the SLAVE box based on
> > the original number dialed by the user. (Did they dial one of the
> > local numbers, or the 1-800 number, etc.) MASTER has this number
store
> > in ${DNID}.
> >
> >   However, this doesn't get passed onto the SLAVE server.  Watching
a
> > tcpdump between MASTER and SLAVE, I see neither the DNID nor RDNIS
> > IE element passed on the wire.
> >
> > I see these IEs on the wire:
> >     Protocol version
> >     Number/extension being called
> >     codec negotiation
> >     calling number
> >     calling presentation
> >     calling type of number
> >     calling tansit network select
> >     Name of caller
> >     desired languate
> >     username (peer or user) for authentication
> >     Desired coded format
> >     Actual codec capability
> >     CPE ADSI capability
> >     Date/Time
> >
> >   Neither ${RDNIS} nor ${DNID} is defined when queried on the SLAVE
> > extensions.conf.
> >
> >   I found this note at voip-info, and don't fully understand it,
> > but it seems to imply that this isn't going to work?
> >
> > http://www.voip-info.org/wiki/view/RDNIS
> > Asterisk note
> > | Asterisk only supports RGN, and at that, it's wrongly placed in
> > | the channel's Caller*ID information. The RGN can be set or
> > | retrieved using the CALLERID(rdnis) function, such as
> > | Set(CALLERID(rdnis)=5551212). The Dial application also sets the
> > | RGN to the current extension, unless called within a macro, in
which
> > | case the contents of ${MACRO_EXTEN} are used instead. This
overwrites
> > | anything else set within the dialplan, which may not be what a
> dialplan
> > | author would expect. Although IAX2 supports RGN in IE 27 (actually
> > | misnamed RDNIS), it does not appear to be properly passed to a
peer
> > | when placing outgoing calls.
> >
> >   Do I need to modify the sources (chan_iax2?) to populate and pass
the
> > RDNIS IE from MASTER to SLAVE?  Or maybe this is as simple as
passing a
> > magic flag to the dial command?
> >
> > Thanks for any hints or tips you can pass my way,
> > Andrew
> >
> > ----
> > Reach Beyond the Classroom  -- Horizon Wimba -- www.horizonwimba.com
> > Andrew Grangaard
> > andrew-asteriskusers at horizonlive.com
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