[asterisk-users] Transfers on an inter-PBX PRI link

[Steve Totaro]

On Mon, Mar 16, 2009 at 8:49 AM, Vieri <rentorbuy at yahoo.com> wrote:
>
> Hi,
>
> I am trying to understand why some of my call transfers fail.
>
> My scenario is as follows:
>
> Legacy PBX1 ---PRI (EuroISDN) Zaptel--- Asterisk PBX2
>
> Step1: PBX1 extension 101 calls PBX2 extension 102
>
> Step2: PBX2 extension 102 answers the call and transfers it to PBX1 extension 103
>
> Step3: PBX1 extension 103 answers the call and transfers it to PBX2 extension 104
>
> Step3 fails and extension 103 is reconnected to 101.
>
> Why is Step3 failing and how could I change my setup so the transfer succeeds?
>
> As a side question, I'd like to know if I could "free" the "unnecessary" zap channels created in Steps 1 and 2.
> On analog channels I could SendDTMF(${EXTEN}). I don't know how to do that on a digital pri line and if it requires that the legacy PBX be compatible.
>
> Anyway, I'm not too worried about freeing the PRI channels. I just want "Step3" to work.
>
> Is it possible, "somehow"?
>
> Thanks in advance,
>
> Vieri
>
>

Relevant parts of your dialplan, tech.conf, and debug info is probably
the only way to really help you besides making wild guesses.

-- 
Thanks,
Steve Totaro
+18887771888 (Toll Free)
+12409381212 (Cell)
+12024369784 (Skype)