TURN TCP to reduce TURN cost
Brian West <brian@freeswitch.com> wrote:
Subject: Re: [Freeswitch-users] ADD 2 ICE CANDIDATES mod_verto set the variable include_external_ip=true
Hey Brian, Your tip about include_external_ip seemed relevant to my recent question whether FS supports TURN TCP; that is, can FS be configured to provide a tcp candidate in its answer sdp, which would save the cost of sending calls through TURN for users whose firewalls block needed udp ports. I searched for your variable in the source and found https://github.com/signalwire/freeswitch/blob/53cd06900c5ce827b2c0ac74485607... which shows that the transport is not frozen as "udp" but is the value of ice_out->cands[0][0].transport Is it possible for this transport member to be "tcp"? How could one configure FS to provide both udp and tcp candidates? Cheers, David
You use relay, you speak TCP to the relay and it turns it into UDP, FreeSWITCH is oblivious that its even taking place. On Wed, Apr 29, 2020 at 5:34 PM David P <davidswalkabout@gmail.com> wrote:
Brian West <brian@freeswitch.com> wrote:
Subject: Re: [Freeswitch-users] ADD 2 ICE CANDIDATES mod_verto set the variable include_external_ip=true
Hey Brian,
Your tip about include_external_ip seemed relevant to my recent question whether FS supports TURN TCP; that is, can FS be configured to provide a tcp candidate in its answer sdp, which would save the cost of sending calls through TURN for users whose firewalls block needed udp ports.
I searched for your variable in the source and found
https://github.com/signalwire/freeswitch/blob/53cd06900c5ce827b2c0ac74485607... which shows that the transport is not frozen as "udp" but is the value of ice_out->cands[0][0].transport
Is it possible for this transport member to be "tcp"? How could one configure FS to provide both udp and tcp candidates?
Cheers, David _________________________________________________________________________
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participants (2)
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Brian West
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David P