Not something that can be answered with ease, No logs, no info on what rev of FreeSWITCH you're running. No info about endpoints and capabilities ... but if you're in bypass that would usually mean that your trying to bridge two endpoints that don't/can't speak the same codec. On Thu, Jan 8, 2015 at 4:19 AM, ilyakn <ilya@e-2-m.mobi> wrote:

Hi All, I've run into a problem during call transfer. I have a CISCO switch calling Freeswitch that set bypass_media to true and makes a bridge to IVR platform (its actually a VXML browser). When IVR platform then tries to transfer a call using REFER the Freeswitch sends INVITE to the gateway in order to perform call transfer but Media part inside SDP is empty - as a result gateway returns 488 Not Acceptable Media and transfer fails. Is it possoble to make Freeswitch to send meaningful SDP inside INVITE? I would expect it to copy SDP from original incoming call - but this does not happen.

Thanks, Ilya

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