Hello,
I have a question about the RTP stream. I made two calls with different
devices. One had no problems, the other call made some difficulties. I put an
extraction of my traces in attachment.
(MGCP device -> Thomson Speedtouch 780WL with a Siemens Euroset 5020 phone)
The first one had no problem. When I called the freeSWITCH I had a
bidirectional RTP stream. I heard the announcement of the server. I could
transmit digits from my telephone to the freeSWITCH which were verified by the
machine.
(VoATM Device -> Allied Data Copperjet 1616 with a Siemens Euroset 5020 phone)
The second call had only a oneway audio stream. When I called the freeSWITCH I
heard no announcement of the server which should be actually played. There was
only a background noise. I made traces from this example.
My suggestion is:
In packet 378 the freeSWITCH server wants to sent RTP packets to an suspicious
IP. There are over 5 packets in number. Not till then there is the correct
destination IP (see packet 386). But this could be the fact that the freeSWITCH
produces an error.
Does anybody have an idea?
Greetz
--
--
Rudolf Denert, Technical Support
TNG AG, NGN
Projensdorfer Str. 324, D-24106 Kiel, Germany
phone: +49 431 7097-10, fax: +49 431 7097-555
mailto: [email protected] http://www.tng.de
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No. Time Source Destination Protocol Info
374 5.406288 213.x.x.x 82.x.x.x SIP
Request: INVITE sip:[email protected]:5080;user=phone
Frame 374 (576 bytes on wire, 576 bytes captured)
Ethernet II, Src: Cisco_6f:0c:39 (00:50:e2:6f:0c:39), Dst: Xensourc_b2:8b:3d
(00:16:3e:b2:8b:3d)
Internet Protocol, Src: 213.x.x.x (213.x.x.x), Dst: 82.x.x.x (82.x.x.x)
User Datagram Protocol, Src Port: sip (5060), Dst Port: onscreen (5080)
Session Initiation Protocol
No. Time Source Destination Protocol Info
375 5.406609 82.x.x.x 213.x.x.x SIP
Status: 100 Trying
Frame 375 (404 bytes on wire, 404 bytes captured)
Ethernet II, Src: Xensourc_b2:8b:3d (00:16:3e:b2:8b:3d), Dst: Cisco_6f:0c:39
(00:50:e2:6f:0c:39)
Internet Protocol, Src: 82.x.x.x (82.x.x.x), Dst: 213.x.x.x (213.x.x.x)
User Datagram Protocol, Src Port: onscreen (5080), Dst Port: sip (5060)
Session Initiation Protocol
No. Time Source Destination Protocol Info
376 5.407479 82.x.x.x 213.x.x.x SIP/SDP
Status: 200 OK, with session description
Frame 376 (986 bytes on wire, 986 bytes captured)
Ethernet II, Src: Xensourc_b2:8b:3d (00:16:3e:b2:8b:3d), Dst: Cisco_6f:0c:39
(00:50:e2:6f:0c:39)
Internet Protocol, Src: 82.x.x.x (82.x.x.x), Dst: 213.x.x.x (213.x.x.x)
User Datagram Protocol, Src Port: onscreen (5080), Dst Port: sip (5060)
Session Initiation Protocol
No. Time Source Destination Protocol Info
377 5.409123 213.x.x.x 82.x.x.x SIP/SDP
Request: ACK sip:[email protected]:5080, with session description
Frame 377 (719 bytes on wire, 719 bytes captured)
Ethernet II, Src: Cisco_6f:0c:39 (00:50:e2:6f:0c:39), Dst: Xensourc_b2:8b:3d
(00:16:3e:b2:8b:3d)
Internet Protocol, Src: 213.x.x.x (213.x.x.x), Dst: 82.x.x.x (82.x.x.x)
User Datagram Protocol, Src Port: sip (5060), Dst Port: onscreen (5080)
Session Initiation Protocol
No. Time Source Destination Protocol Info
378 5.421024 82.x.x.x 172.0.0.0 RTP
PT=ITU-T G.711 PCMU, SSRC=0x3D3AFFFC, Seq=16713, Time=160, Mark
Frame 378 (214 bytes on wire, 214 bytes captured)
Ethernet II, Src: Xensourc_b2:8b:3d (00:16:3e:b2:8b:3d), Dst: Cisco_6f:0c:39
(00:50:e2:6f:0c:39)
Internet Protocol, Src: 82.x.x.x (82.x.x.x), Dst: 172.0.0.0 (172.0.0.0)
User Datagram Protocol, Src Port: 30516 (30516), Dst Port: 65534 (65534)
Real-Time Transport Protocol
No. Time Source Destination Protocol Info
379 5.421117 82.x.x.x 172.0.0.0 RTP
PT=ITU-T G.711 PCMU, SSRC=0x3D3AFFFC, Seq=16714, Time=320
Frame 379 (214 bytes on wire, 214 bytes captured)
Ethernet II, Src: Xensourc_b2:8b:3d (00:16:3e:b2:8b:3d), Dst: Cisco_6f:0c:39
(00:50:e2:6f:0c:39)
Internet Protocol, Src: 82.x.x.x (82.x.x.x), Dst: 172.0.0.0 (172.0.0.0)
User Datagram Protocol, Src Port: 30516 (30516), Dst Port: 65534 (65534)
Real-Time Transport Protocol
No. Time Source Destination Protocol Info
380 5.432051 82.x.x.x 172.0.0.0 RTP
PT=ITU-T G.711 PCMU, SSRC=0x3D3AFFFC, Seq=16715, Time=480
Frame 380 (214 bytes on wire, 214 bytes captured)
Ethernet II, Src: Xensourc_b2:8b:3d (00:16:3e:b2:8b:3d), Dst: Cisco_6f:0c:39
(00:50:e2:6f:0c:39)
Internet Protocol, Src: 82.x.x.x (82.x.x.x), Dst: 172.0.0.0 (172.0.0.0)
User Datagram Protocol, Src Port: 30516 (30516), Dst Port: 65534 (65534)
Real-Time Transport Protocol
No. Time Source Destination Protocol Info
381 5.452022 82.x.x.x 172.0.0.0 RTP
PT=ITU-T G.711 PCMU, SSRC=0x3D3AFFFC, Seq=16716, Time=640
Frame 381 (214 bytes on wire, 214 bytes captured)
Ethernet II, Src: Xensourc_b2:8b:3d (00:16:3e:b2:8b:3d), Dst: Cisco_6f:0c:39
(00:50:e2:6f:0c:39)
Internet Protocol, Src: 82.x.x.x (82.x.x.x), Dst: 172.0.0.0 (172.0.0.0)
User Datagram Protocol, Src Port: 30516 (30516), Dst Port: 65534 (65534)
Real-Time Transport Protocol
No. Time Source Destination Protocol Info
382 5.472039 82.x.x.x 172.0.0.0 RTP
PT=ITU-T G.711 PCMU, SSRC=0x3D3AFFFC, Seq=16717, Time=800
Frame 382 (214 bytes on wire, 214 bytes captured)
Ethernet II, Src: Xensourc_b2:8b:3d (00:16:3e:b2:8b:3d), Dst: Cisco_6f:0c:39
(00:50:e2:6f:0c:39)
Internet Protocol, Src: 82.x.x.x (82.x.x.x), Dst: 172.0.0.0 (172.0.0.0)
User Datagram Protocol, Src Port: 30516 (30516), Dst Port: 65534 (65534)
Real-Time Transport Protocol
No. Time Source Destination Protocol Info
383 5.485947 213.x.x.x 82.x.x.x SIP/SDP
Request: INVITE sip:[email protected]:5080, with session description
Frame 383 (827 bytes on wire, 827 bytes captured)
Ethernet II, Src: Cisco_6f:0c:39 (00:50:e2:6f:0c:39), Dst: Xensourc_b2:8b:3d
(00:16:3e:b2:8b:3d)
Internet Protocol, Src: 213.x.x.x (213.x.x.x), Dst: 82.x.x.x (82.x.x.x)
User Datagram Protocol, Src Port: sip (5060), Dst Port: onscreen (5080)
Session Initiation Protocol
No. Time Source Destination Protocol Info
384 5.486318 82.x.x.x 213.x.x.x SIP/SDP
Status: 200 OK, with session description
Frame 384 (912 bytes on wire, 912 bytes captured)
Ethernet II, Src: Xensourc_b2:8b:3d (00:16:3e:b2:8b:3d), Dst: Cisco_6f:0c:39
(00:50:e2:6f:0c:39)
Internet Protocol, Src: 82.x.x.x (82.x.x.x), Dst: 213.x.x.x (213.x.x.x)
User Datagram Protocol, Src Port: onscreen (5080), Dst Port: sip (5060)
Session Initiation Protocol
No. Time Source Destination Protocol Info
385 5.487787 213.x.x.x 82.x.x.x SIP
Request: ACK sip:[email protected]:5080
Frame 385 (486 bytes on wire, 486 bytes captured)
Ethernet II, Src: Cisco_6f:0c:39 (00:50:e2:6f:0c:39), Dst: Xensourc_b2:8b:3d
(00:16:3e:b2:8b:3d)
Internet Protocol, Src: 213.x.x.x (213.x.x.x), Dst: 82.x.x.x (82.x.x.x)
User Datagram Protocol, Src Port: sip (5060), Dst Port: onscreen (5080)
Session Initiation Protocol
No. Time Source Destination Protocol Info
386 5.491989 82.x.x.x 213.x.x.x RTP
PT=ITU-T G.711 PCMU, SSRC=0x3D3AFFFC, Seq=16718, Time=960
Frame 386 (214 bytes on wire, 214 bytes captured)
Ethernet II, Src: Xensourc_b2:8b:3d (00:16:3e:b2:8b:3d), Dst: Cisco_6f:0c:39
(00:50:e2:6f:0c:39)
Internet Protocol, Src: 82.x.x.x (82.x.x.x), Dst: 213.x.x.x (213.x.x.x)
User Datagram Protocol, Src Port: 30516 (30516), Dst Port: 51074 (51074)
Real-Time Transport Protocol
No. Time Source Destination Protocol Info
387 5.512037 82.x.x.x 213.x.x.x RTP
PT=ITU-T G.711 PCMU, SSRC=0x3D3AFFFC, Seq=16719, Time=1120
Frame 387 (214 bytes on wire, 214 bytes captured)
Ethernet II, Src: Xensourc_b2:8b:3d (00:16:3e:b2:8b:3d), Dst: Cisco_6f:0c:39
(00:50:e2:6f:0c:39)
Internet Protocol, Src: 82.x.x.x (82.x.x.x), Dst: 213.x.x.x (213.x.x.x)
User Datagram Protocol, Src Port: 30516 (30516), Dst Port: 51074 (51074)
Real-Time Transport Protocol
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