Hi Mike
In my dev tests, I modified switch_core_media.c file including a localRTP variable which I set in vars.conf.xml and then in the process to create SDP I added
this condition to include it.
if (include_localrtp && !zstr(smh->mparams->rtpip) && strcmp(ice_out->cands[0][0].con_addr, smh->mparams->rtpip))
So, Now, the final SDP includes both, local and public IP as ICE candidates.
2020-05-13 12:04:55.581400 [DEBUG] mod_verto.c:2507 Local SDP verto.rtc/5715976:
v=0
o=FreeSWITCH 1589367521 1589367522 IN IP4 190.84.118.88
s=FreeSWITCH
c=IN IP4 190.84.118.88
t=0 0
a=msid-semantic: WMS ayYpTBb6zUWvNcxrUbbVUikqTtFA7AR7
m=audio 21974 UDP/TLS/RTP/SAVPF 111 110
a=rtpmap:111 opus/48000/2
a=fmtp:111 useinbandfec=1; minptime=10; stereo=1; sprop-stereo=1
a=rtpmap:110 telephone-event/48000
a=silenceSupp:off - - - -
a=ptime:20
a=sendrecv
a=fingerprint:sha-256 FD:DF:48:02:C3:F8:D9:57:F8:C8:97:CD:3A:AB:6A:A6:97:4A:BA:A5:48:5A:3A:2D:0F:18:14:EC:D5:A9:21:86
a=setup:active
a=rtcp-mux
a=rtcp:21974 IN IP4 190.84.118.88
a=ice-ufrag:h601eaiYuOore5o4
a=ice-pwd:BCDyR8UQpBtKHoOOkEFoEOdY
a=candidate:0477192457 1 udp 659136 190.84.118.88 21974 typ host generation 0
a=candidate:0841264532 1 udp 659136 192.168.1.170 21974 typ host generation 0
a=end-of-candidates
a=ssrc:1455801103 cname:ZFnI6oEw9rRMuf4e
a=ssrc:1455801103 msid:ayYpTBb6zUWvNcxrUbbVUikqTtFA7AR7 a0
a=ssrc:1455801103 mslabel:ayYpTBb6zUWvNcxrUbbVUikqTtFA7AR7
a=ssrc:1455801103 label:ayYpTBb6zUWvNcxrUbbVUikqTtFA7AR7a0
m=video 0 UDP/TLS/RTP/SAVPF 19
De: Mike Jerris [mailto:mike@freeswitch.org]
Enviado el: martes, 26 de mayo de 2020 3:21 p. m.
Para: FreeSWITCH-dev <freeswitch-dev@lists.freeswitch.org>
Asunto: Re: [Freeswitch-dev] ADD 2 ICE CANDIDATES mod_verto
Use different profiles and splits dns to point the internal and external to different profiles. You cant send both.
I am working with mod_verto in a scenario where I need to send public and private IP addresses as ICE candidates.
When I modify the ext-rtp-ip parameter, it only sends one option as typ host ice candidate. However, for my implementation I need to send both.
What I need is the combination of those ice candidates, something like this:
a=candidate:8228103366 1 udp 659136 190.84.118.88 31028 typ host generation 0
a=candidate:3496438569 1 udp 659136 192.168.1.170 24210 typ host generation 0
Is it possible to add both ice candidates in the same SDP from configuration files?
2020-04-24 14:13:49.395900 [DEBUG] mod_verto.c:2502 Local SDP verto.rtc/5715976:
o=FreeSWITCH 1587731419 1587731420 IN IP4 192.168.1.170
a=msid-semantic: WMS t9mERteVPrwT3aZbexPlp2U6Cspg78dq
m=audio 24210 UDP/TLS/RTP/SAVPF 111 110
a=rtpmap:111 opus/48000/2
a=fmtp:111 useinbandfec=1; minptime=10; stereo=1; sprop-stereo=1
a=rtpmap:110 telephone-event/48000
a=silenceSupp:off - - - -
a=fingerprint:sha-256 FD:DF:48:02:C3:F8:D9:57:F8:C8:97:CD:3A:AB:6A:A6:97:4A:BA:A5:48:5A:3A:2D:0F:18:14:EC:D5:A9:21:86
a=rtcp:24210 IN IP4 192.168.1.170
a=ice-ufrag:mScCKXydfOjcMntK
a=ice-pwd:Depc4PrcDqdqfgirZlTz8iCe
a=candidate:3496438569 1 udp 659136 192.168.1.170 24210 typ host generation 0
a=ssrc:3132020181 cname:7pVPJ0AphX8bXYd1
a=ssrc:3132020181 msid:t9mERteVPrwT3aZbexPlp2U6Cspg78dq a0
a=ssrc:3132020181 mslabel:t9mERteVPrwT3aZbexPlp2U6Cspg78dq
a=ssrc:3132020181 label:t9mERteVPrwT3aZbexPlp2U6Cspg78dqa0
m=video 0 UDP/TLS/RTP/SAVPF 19
2020-04-24 14:13:49.395900 [NOTICE] mod_dptools.c:1360 Channel [verto.rtc/5715976] has been answered
<param name="ext-rtp-ip" value="190.84.118.88"/>
2020-04-24 14:17:23.715620 [DEBUG] mod_verto.c:2502 Local SDP verto.rtc/5715976:
o=FreeSWITCH 1587724815 1587724816 IN IP4 190.84.118.88
a=msid-semantic: WMS 8gumHFWDC0sD12iPvVhSeEhUfLdXQBVO
m=audio 31028 UDP/TLS/RTP/SAVPF 111 110
a=rtpmap:111 opus/48000/2
a=fmtp:111 useinbandfec=1; minptime=10; stereo=1; sprop-stereo=1
a=rtpmap:110 telephone-event/48000
a=silenceSupp:off - - - -
a=fingerprint:sha-256 FD:DF:48:02:C3:F8:D9:57:F8:C8:97:CD:3A:AB:6A:A6:97:4A:BA:A5:48:5A:3A:2D:0F:18:14:EC:D5:A9:21:86
a=rtcp:31028 IN IP4 190.84.118.88
a=ice-ufrag:BiYFM6pSItFoUq2t
a=ice-pwd:wTz7x9b00ImLonRPvGl8CBRb
a=candidate:8228103366 1 udp 659136 190.84.118.88 31028 typ host generation 0
a=ssrc:2930644107 cname:If1gLNJdD1HvUPbg
a=ssrc:2930644107 msid:8gumHFWDC0sD12iPvVhSeEhUfLdXQBVO a0
a=ssrc:2930644107 mslabel:8gumHFWDC0sD12iPvVhSeEhUfLdXQBVO
a=ssrc:2930644107 label:8gumHFWDC0sD12iPvVhSeEhUfLdXQBVOa0
m=video 0 UDP/TLS/RTP/SAVPF 19
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