[Freeswitch-users] Handle media of all calls via port 443?

David P davidswalkabout at gmail.com
Tue Aug 11 18:16:42 UTC 2020

Thank you for your suggestion, Sergey. However, I found that introducing
those two settings (in FSv10.4 on Debian10) made no difference; I still got
just one candidate in FS's answer SDP and it's udp rather than tcp (for
port 443)...

Before introducing
  <X-PRE-PROCESS cmd="set" data="add_ice_candidates=true"/> in
  <action application="set" data="media_webrtc=true"/>      in
the browser receives Answer SDP containing only one ice candidate:
a=candidate:5500513041 1 udp 659136 35.xxx.yy.zzz 26928 typ host generation

After introducing those two config changes, and `fs_cli -x "reloadxml"`,
the set of candidates in the answer the browser gets is the same:
a=candidate:4793838179 1 udp 659136 35.xxx.yy.zzz 19518 typ host generation

The reason I asked about supporting all media (and signaling) via port 443
is that some users are in firewalls that block all ports except 443 (or 80).

On Mon, Aug 10, 2020 at 5:14 AM <
freeswitch-users-request at lists.freeswitch.org> wrote:

> ---------- Forwarded message ----------
> From: Sergey Safarov <s.safarov at gmail.com>
> You can offer ice for all calls from FreeSwitch without coturn
> <X-PRE-PROCESS cmd="set" data="add_ice_candidates=true"/>
> More details
> https://freeswitch.org/confluence/display/FREESWITCH/NAT+Traversal#NATTraversal-FreeSWITCHBehindNAT
> also, you can try the variable "media_webrtc=true"
> On Sun, Aug 9, 2020 at 8:42 PM David P <davidswalkabout at gmail.com> wrote:
>> Can FS v1.10 be configured to handle SRTP of all calls via port 443?
>> This would allow us to stop using coturn, which is often too slow to
>> provide a TLS relay candidate before browsers finish gathering ice
>> candidates.
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