OK. FreeSWITCH is front ending a Microsoft Speech Server and is a trusted SIP Peer. When a call comes in SesWorker (MSS) opens a port for RTP with the SIP Peer 9FS) that can be anything from 1024 - 65535. That RTP channel is between FreeSWITCH and Speech Server. So does FS then open that same port with the originator of the call or does it negotiate a different port? Marshall Harrison * <mailto:marshall@gotspeech.net> marshall@gotspeech.net | ( 904.342.6205 From: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of Phillip Jones Sent: Friday, August 13, 2010 2:48 PM To: FreeSWITCH Users Help Subject: Re: [Freeswitch-users] Audio quesion 5080 is the SIP signaling port (call setup / teardown). Media will be on whatever port is negociated with the endpoint. On Fri, Aug 13, 2010 at 2:33 PM, Marshall Harrison <marshall@gotspeech.net> wrote: I have FreeSWITCH setup to answer calls on port 5080. If I have 2 simultaneous calls are both going over port 5080 or is that just listening port and the calls get routed to a different port? What port is the audio going over? 5080? A different port for each call? Thanks. Marshall Harrison, <https://mvp.support.microsoft.com/default.aspx/profile/marshall.harrison> MVP Microsoft Communications Server GotSpeech Consulting LLC <http://gotspeech.net/> www.GotSpeech.Net | <http://gotuc.net/> www.GotUC.Net * <mailto:marshall@gotspeech.net> marshall@gotspeech.net |* <mailto:marshall@gotuc.net> marshall@gotuc.net |( 904.342.6205 <http://www.microsoft.com/mvp> Description: Microsoft MVP Program _______________________________________________ FreeSWITCH-users mailing list FreeSWITCH-users@lists.freeswitch.org http://lists.freeswitch.org/mailman/listinfo/freeswitch-users UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users http://www.freeswitch.org <http://www.freeswitch.org/>