[SR-Users] Can only tranfer (refer) a call one time

[niklas rehnberg]

Hi,
Thank for the quick response.

The issue occur only when the Alice is a PSTN client.
My ITSP says that they only supporting one call transfer (very strange).
They can not explain why etc...

PSTN client:              Alice
MGW/MGC(ITSP):     Cisco/SER
Our sip server:           SIPX


BR Niklas


2011/2/25 Iñaki Baz Castillo <ibc at aliax.net>

> 2011/2/25 niklas rehnberg <niklas.rehnberg at gmail.com>:
>  > Hi,
> > Have following issue:
> >
> > Alice calling Bob.
> > Bob make call transfer to Charlie  (works fine)
> > Charlie transfer Alice to David.    (the call break)
> >
> > Why is not possible to transfer the call more than one time?
> > Is it any parameters?
> >
> > My ITSP use SER together with Cisco MGW.
>
> Niklas, nothing in SIP protocol neither in SER/Kamailio makes your
> scenario to fail. It must be a problem in your custom setup. Try
> identifying the problem capturing SIP traces.
> Also take into account that a proxy doesn't participate at all in the
> process of a "call transfer". It's just a transparent mechanism for a
> proxy.
>
> --
> Iñaki Baz Castillo
> <ibc at aliax.net>
>
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