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

[Brian Foster]

In that case it will have to be a function of the phone, I THINK Polycom
phones can do this, otherwise im not sure.

Brian Foster
Endigo Computer LLC

Sent from a mobile device.
On Jun 21, 2012 11:40 AM, "Sergei" <getallad at gmail.com> wrote:

> Brian, thank you for your comment.****
>
> In our case – like centralized location of Freeswitch, distributed
> offices,  and wan channels between them – bypassing it the only option in
> order not to saturate these channels. ****
>
> I agree, that attended transfer requires media handling – Freeswitch must
> put on hold the call in order to make transfer, but this is much lighter
> load on network in comparison with flooding it with RTP of every call (call
> between two phones in filial will go through central point).****
>
> By the same reason, proxying media is not an option too – still puts load
> on channels.****
>
> ** **
>
> The question which is still unclear – is this scenario fully supported in
> Freeswitch, and, if yes, on which phones and, probably, with which versions
> of Freeswitch and with which config options.****
>
> ** **
>
> Siarhei. ****
>
> *From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
> freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Brian Foster
> *Sent:* Thursday, June 21, 2012 5:32 PM
> *To:* FreeSWITCH Users Help
> *Subject:* Re: [Freeswitch-users] Attended transfer fails when in bypass
> or proxy mode****
>
> ** **
>
> 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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>
> 
> 
>
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