[asterisk-users] DAHDI Callerid and transfer problem

[Eric Wieling]

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] On Behalf Of Jim Boykin
> Sent: Tuesday, August 09, 2011 12:08 AM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [asterisk-users] DAHDI Callerid and transfer problem
> 
> Please help. I would be surprised if no one ever faced this problem
> 
> On Mon, Aug 8, 2011 at 3:16 PM, Jim Boykin <boykinjim at gmail.com> wrote:
> > Hi, We need some help.
> >
> > We are unable to transfer the incoming call from DAHDI to another
> > number.  We are able to receive calls and dial out fine, but what we
> > really want to achieve is to transfer the call so that PRI will be
> > free and also the transferred number will get the received callerid.
> > Here is dialplan.
> >
> > [default]
> > exten => 19990000001,1,myprint(${CALLERID(num)})
> > exten => 19990000001,n,transfer(DAHDI/1/14085551234)
> > exten => 19990000001,n,myprint(${TRANSFERSTATUS})
> >
> > The problem is transfer fails and TRANSFERSTATUS is set to
> > UNSUPPORTED. It works if we change 'transfer' command to 'Dial' but in
> > this case it does not pass callerid. facilityenable and transfer is
> > set to 'yes' in chan_dahdi.conf.
> >
> > Any hints what we are doing wrong?

The feature you are looking for is called 2BCT or TBCT (Two B-Channel Transfer).

 http://www.google.com/search?sourceid=chrome&ie=UTF-8&q=site%3Alists.digium.com+2bct+OR+tbct