[Freeswitch-users] how to make FS to listen for 2 RTP streams on one call ?

Hello all, I'm trying to implement this (shown in the picture) scenario, but to use FS instead of OrekaTR: There are several small bumps on the road, which I successfully overcame, but finally I met a challenge which is bigger, than my skills, so I need the community help. The problem is, that RtpProxy can't mix the media, so instead of one mixed stream on the forked call, I have 2 separate RTP streams. I have no idea how to make FS to listen both of them. Is this possible and how? Any advice is highly appreciated. Best! Evtim