[Freeswitch-users] Auto Changing stun/rtp/dtls port every second?

Sat Jan 10 06:32:45 MSK 2015

Auto Changing stun/rtp/dtls port every second?

Just built from master FreeSWITCH Version
1.5.15b+git~20150109T000119Z~d199060249~64bit (git d199060 2015-01-09
00:01:19Z 64bit)

And when connecting with chrome web-rtc thru sip.js I noticed switch appears
to be changing or flipping ports every second bouncing between them.

Happens with Chrome, But not Firefox.

2015-01-10 01:57:22.095932 [NOTICE] switch_rtp.c:1139 Auto Changing
stun/rtp/dtls port from xx.xx.xx.xx:42748 to xx.xx.xx.xx:42751

2015-01-10 01:57:22.535937 [NOTICE] switch_rtp.c:1139 Auto Changing
stun/rtp/dtls port from xx.xx.xx.xx:42751 to xx.xx.xx.xx:42748

2015-01-10 01:57:23.095959 [NOTICE] switch_rtp.c:1139 Auto Changing
stun/rtp/dtls port from xx.xx.xx.xx:42748 to xx.xx.xx.xx:42751

2015-01-10 01:57:23.495890 [NOTICE] switch_rtp.c:1139 Auto Changing
stun/rtp/dtls port from xx.xx.xx.xx:42751 to xx.xx.xx.xx:42748

2015-01-10 01:57:23.995945 [NOTICE] switch_rtp.c:1139 Auto Changing
stun/rtp/dtls port from xx.xx.xx.xx:42748 to xx.xx.xx.xx:42751

..continues on every second for duration of call.

Audio connection seems to be working fine,  but have never seen this in
prior builds.

Not clear to me if this is a real issue, or just annoyance in fs_cli
console.

Thanks in advance for any suggestions.

I have included the SDPs below for both Chrome and FireFox.

Regards,

Stephen

CHROME REMOTE

2015-01-10 02:40:03.535934 [DEBUG] sofia.c:6624 Remote SDP:

v=0

o=- 944480236656755000 2 IN IP4 127.0.0.1

s=-

t=0 0

a=group:BUNDLE audio

a=msid-semantic: WMS YHfGEaiCgFgkdGUVwVMwsXG2j4QFHe1h13N4

m=audio 44646 UDP/TLS/RTP/SAVPF 111 103 104 0 8 106 105 13 126

c=IN IP4 xx.xx.xx.xx

a=rtpmap:111 opus/48000/2

a=fmtp:111 minptime=10

a=rtpmap:103 ISAC/16000

a=rtpmap:104 ISAC/32000

a=rtpmap:0 PCMU/8000

a=rtpmap:8 PCMA/8000

a=rtpmap:106 CN/32000

a=rtpmap:105 CN/16000

a=rtpmap:13 CN/8000

a=rtpmap:126 telephone-event/8000

a=rtcp:44646 IN IP4 xx.xx.xx.xx

a=candidate:331141188 1 udp 2122260223 192.168.99.220 57065 typ host
generation 0

a=candidate:331141188 2 udp 2122260223 192.168.99.220 57065 typ host
generation 0

a=candidate:693976877 1 udp 2122194687 192.168.52.1 57066 typ host
generation 0

a=candidate:693976877 2 udp 2122194687 192.168.52.1 57066 typ host
generation 0

a=candidate:2448668656 1 udp 2122129151 192.168.142.1 57067 typ host
generation 0

a=candidate:2448668656 2 udp 2122129151 192.168.142.1 57067 typ host
generation 0

a=candidate:4031593493 1 udp 2122063615 192.168.99.193 57068 typ host
generation 0

a=candidate:4031593493 2 udp 2122063615 192.168.99.193 57068 typ host
generation 0

a=candidate:1564421300 1 tcp 1518280447 192.168.99.220 0 typ host tcptype
active generation 0

a=candidate:1564421300 2 tcp 1518280447 192.168.99.220 0 typ host tcptype
active generation 0

a=candidate:1742652381 1 tcp 1518214911 192.168.52.1 0 typ host tcptype
active generation 0

a=candidate:1742652381 2 tcp 1518214911 192.168.52.1 0 typ host tcptype
active generation 0

a=candidate:3748678400 1 tcp 1518149375 192.168.142.1 0 typ host tcptype
active generation 0

a=candidate:3748678400 2 tcp 1518149375 192.168.142.1 0 typ host tcptype
active generation 0

a=candidate:3201220837 1 tcp 1518083839 192.168.99.193 0 typ host tcptype
active generation 0

a=candidate:3201220837 2 tcp 1518083839 192.168.99.193 0 typ host tcptype
active generation 0

a=candidate:3744591831 1 udp 1686052607 xx.xx.xx.xx 44646 typ srflx raddr
192.168.99.220 rport 57065 generation 0

a=candidate:3744591831 2 udp 1686052607 xx.xx.xx.xx 44646 typ srflx raddr
192.168.99.220 rport 57065 generation 0

a=candidate:1019216774 1 udp 1685855999 xx.xx.xx.xx 44647 typ srflx raddr
192.168.99.193 rport 57068 generation 0

a=candidate:1019216774 2 udp 1685855999 xx.xx.xx.xx 44647 typ srflx raddr
192.168.99.193 rport 57068 generation 0

a=ice-ufrag:vWJYtjRU7/AK7HTV

a=ice-pwd:tPowc1rLFI4tlG9OuSJsZmhm

a=ice-options:google-ice

a=fingerprint:sha-256
60:DB:2E:2E:4C:EC:C8:E4:E8:9A:0A:DD:9E:5B:F5:72:7A:AA:E2:BA:4C:B5:6E:77:1B:0
8:CA:D0:33:69:76:18

a=setup:actpass

a=mid:audio

a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level

a=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time

a=rtcp-mux

a=maxptime:60

a=ssrc:207143798 cname:RQHJDeTxW6AqEXek

a=ssrc:207143798 msid:YHfGEaiCgFgkdGUVwVMwsXG2j4QFHe1h13N4
4c7d7f12-cdc6-4fc7-8fde-ab184c4374c6

a=ssrc:207143798 mslabel:YHfGEaiCgFgkdGUVwVMwsXG2j4QFHe1h13N4

a=ssrc:207143798 label:4c7d7f12-cdc6-4fc7-8fde-ab184c4374c6

2015-01-10 02:40:03.555959 [DEBUG] sofia.c:6890
(sofia/external/ID-llll at sb.domain.com) State Change CS_NEW -> CS_INIT

LOCAL CHROME

2015-01-10 02:40:03.555959 [DEBUG] mod_sofia.c:780 Local SDP
sofia/external/ID-llll at sb.domain.com:

v=0

o=FreeSWITCH 1420828455 1420828456 IN IP4 126.254.27.18

s=FreeSWITCH

c=IN IP4 126.254.27.18

t=0 0

a=msid-semantic: WMS nURTbPNjtYX6b7AHGQff8WLdypK5IlTV

m=audio 29148 UDP/TLS/RTP/SAVPF 111 126

a=rtpmap:111 opus/48000/2

a=fmtp:111 minptime=10

a=rtpmap:126 telephone-event/8000

a=ptime:20

a=sendrecv

a=fingerprint:sha-256
C5:4F:B0:97:3E:08:F7:4D:28:D4:DC:66:B9:CB:40:D1:43:14:00:7F:7E:F9:0B:FE:3D:A
D:AC:11:1C:09:44:76

a=rtcp-mux

a=rtcp:29148 IN IP4 126.254.27.18

a=ssrc:1689569427 cname:5AF6gjgz74w81WFy

a=ssrc:1689569427 msid:nURTbPNjtYX6b7AHGQff8WLdypK5IlTV a0

a=ssrc:1689569427 mslabel:nURTbPNjtYX6b7AHGQff8WLdypK5IlTV

a=ssrc:1689569427 label:nURTbPNjtYX6b7AHGQff8WLdypK5IlTVa0

a=ice-ufrag:DLDCxeGVugR3rAOm

a=ice-pwd:1kj7tqxqkTpbGVAaw3CU78Gs

a=candidate:4398516811 1 udp 659136 126.254.27.18 29148 typ host generation
0

----------------------------------------------------------------------------
----------------------------------------------------------------

REMOTE FIREFOX

2015-01-10 02:54:48.315868 [DEBUG] sofia.c:6624 Remote SDP:

v=0

o=Mozilla-SIPUA-34.0.5 24651 0 IN IP4 0.0.0.0

s=SIP Call

t=0 0

a=ice-ufrag:0c83e766

a=ice-pwd:3e4fe41a976d4d295b87ef47898f1bb1

a=fingerprint:sha-256
A4:64:42:CB:31:42:04:21:4B:23:4A:44:93:73:2C:64:73:AC:CB:64:DD:0B:00:CA:ED:1
C:35:5A:F8:19:D2:2B

m=audio 9 UDP/TLS/RTP/SAVPF 109 9 0 8 101

c=IN IP4 127.0.0.1

a=rtpmap:109 opus/48000/2

a=rtpmap:9 G722/8000

a=rtpmap:0 PCMU/8000

a=rtpmap:8 PCMA/8000

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

a=ptime:20

a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level

a=setup:actpass

a=rtcp-mux

a=candidate:0 1 UDP 2128609535 192.168.99.193 50443 typ host

a=candidate:2 1 UDP 2128543999 192.168.99.220 50444 typ host

a=candidate:4 1 UDP 2128478463 192.168.142.1 50445 typ host

a=candidate:6 1 UDP 2128412927 192.168.52.1 50446 typ host

a=candidate:0 2 UDP 2128609534 192.168.99.193 50447 typ host

a=candidate:2 2 UDP 2128543998 192.168.99.220 50448 typ host

a=candidate:4 2 UDP 2128478462 192.168.142.1 50449 typ host

a=candidate:6 2 UDP 2128412926 192.168.52.1 50450 typ host

a=candidate:3 1 UDP 1692401663 xx.xx.xx.xx 41316 typ srflx raddr
192.168.99.220 rport 50444

a=candidate:1 1 UDP 1692467199 xx.xx.xx.xx 41315 typ srflx raddr
192.168.99.193 rport 50443

a=candidate:3 2 UDP 1692401662 xx.xx.xx.xx 41318 typ srflx raddr
192.168.99.220 rport 50448

a=candidate:1 2 UDP 1692467198 xx.xx.xx.xx 41317 typ srflx raddr
192.168.99.193 rport 50447

2015-01-10 02:54:48.315868 [DEBUG] sofia.c:6890
(sofia/external/ID-sss at sb.domain.com) State Change CS_NEW -> CS_INIT

LOCAL FIREFOX

2015-01-10 02:54:48.335813 [DEBUG] mod_sofia.c:780 Local SDP
sofia/external/ID-sss at sb.domain.com:

v=0

o=FreeSWITCH 1420830508 1420830509 IN IP4 126.254.27.18

s=FreeSWITCH

c=IN IP4 126.254.27.18

t=0 0

a=msid-semantic: WMS 8zLyY4o5MRbtWMdeKRpKz22ilDyNZwPX

m=audio 27980 UDP/TLS/RTP/SAVPF 109 101

a=rtpmap:109 opus/48000/2

a=fmtp:109 useinbandfec=1; usedtx=1; maxaveragebitrate=30000;
maxplaybackrate=48000

a=rtpmap:101 telephone-event/8000

a=ptime:20

a=sendrecv

a=fingerprint:sha-256
C5:4F:B0:97:3E:08:F7:4D:28:D4:DC:66:B9:CB:40:D1:43:14:00:7F:7E:F9:0B:FE:3D:A
D:AC:11:1C:09:44:76

a=rtcp-mux

a=rtcp:27980 IN IP4 126.254.27.18

a=ssrc:1689570312 cname:VqmJkBFXjGg5ik9T

a=ssrc:1689570312 msid:8zLyY4o5MRbtWMdeKRpKz22ilDyNZwPX a0

a=ssrc:1689570312 mslabel:8zLyY4o5MRbtWMdeKRpKz22ilDyNZwPX

a=ssrc:1689570312 label:8zLyY4o5MRbtWMdeKRpKz22ilDyNZwPXa0

a=ice-ufrag:1otrhmztPY6EkLs6

a=ice-pwd:2FGc6bZfI6aRhaA9oUqw6QPL

a=candidate:1819979940 1 udp 659136 126.254.27.18 27980 typ host generation
0

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