[Freeswitch-users] Attended transfer fails when in bypass or proxy mode

[Brian Foster]

As far as I know freeswitch has to do some sort of media handling to get
the attended transfer to work so bypassing media is probably not wise. You
may find out that it's a non issue to proxy media.

Brian Foster
Endigo Computer LLC

Sent from a mobile device.
On Jun 21, 2012 9:25 AM, "Sergei" <getallad at gmail.com> wrote:

> Good day all.****
>
> I’ve recently installed freeswitch in our office and in general everybody
> is happy.****
>
> The only disappointing thing – is attended transfer. ****
>
> I’ve tried to make it working on Cisco7960 and on Grandstream GXP2000 –
> but with no luck. Could please, anybody respond, who successfully makes
> attended transfer using bypass mode?****
>
> ** **
>
> In sip profile I use following options:****
>
> ** **
>
> <param name="media-option" value="resume-media-on-hold"/>****
>
> <param name="media-option" value="bypass-media-after-att-xfer"/>****
>
> ** **
>
> Scenario is the simplest one: A calls B, B transfers to C (with attended
> transfer – like putting A on hold, making outcall to C, bridging two calls
> together). ****
>
> What I observe on Cisco phone – is following:****
>
> ** **
>
> **1.      **A calls B. B answers, puts A on hold and calls C. C answers
> and talks to B. Up to this time – everything is fine.****
>
> **2.      **B presses ‘transfer’, in order to bridge two calls together.
> But, instead, C hangs up, A stays on hold and B looks like he just put A on
> hold. If B right now presses hold button – he will appear in dialog with A
> again.****
>
> ** **
>
> Did anybody observe such behavior? What could be the advice in such
> situation?****
>
> ** **
>
> Thank you in advance, ****
>
> ** **
>
> Siarhei.****
>
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