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.
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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