Technically, answer detection is the job of the ATA. The problem is that it is an inexact science. I would look in the GXW docs to see if they have a section on 'answer supervision'. It might also be in a section along with 'disconnect supervision.' -MC On Tue, May 15, 2012 at 7:23 AM, Cristian Re <cristian.re@adctelecom.it>wrote:
I have a Grandstream GXW4108 device, connected to a PSTN line and I use it to make outbound calls via freeswitch. The problem I have is that this device sends SIP 200/OK message immediatly after freeswitch INVITE. There is a way to configure freeswitch to detect the answer (with voice detetection?) and propagate the 200/OK message only on answered calls?
Thanks Cristian
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