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@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.****
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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.****
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Siarhei. ****
*From:* freeswitch-users-bounces@lists.freeswitch.org [mailto: freeswitch-users-bounces@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****
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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@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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