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Mediation Server - GatewaySDP: Unrecognized transport profile RRS feed

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    Hello,

    Could anyone explain why we get an "unrecognized transport profile" response for this INVITE towards an OCS R2 mediation server?

    My best friend google did not even have a single suggestion for this horrific phrase...

    /mk

     

    No.     Time        Source                Destination           Protocol Info
        235 13.286427   10.105.80.40          10.105.102.92         SIP/SDP  Request: INVITE sip:+2000@10.105.102.92;user=phone;transport=tcp, with session description

    Frame 235 (1036 bytes on wire, 1036 bytes captured)
    Ethernet II, Src: Nortel_13:52:0a (00:1f:0a:13:52:0a), Dst: Msi_a9:49:cc (00:16:17:a9:49:cc)
    Internet Protocol, Src: 10.105.80.40 (10.105.80.40), Dst: 10.105.102.92 (10.105.102.92)
    Transmission Control Protocol, Src Port: 59885 (59885), Dst Port: sip (5060), Seq: 1, Ack: 1, Len: 970
        Source port: 59885 (59885)
        Destination port: sip (5060)
        Sequence number: 1    (relative sequence number)
        [Next sequence number: 971    (relative sequence number)]
        Acknowledgement number: 1    (relative ack number)
        Header length: 32 bytes
        Flags: 0x18 (PSH, ACK)
        Window size: 4676
        Checksum: 0xf42a [correct]
        Options: (12 bytes)
    Session Initiation Protocol
        Request-Line: INVITE sip:+2000@10.105.102.92;user=phone;transport=tcp SIP/2.0
            Method: INVITE
            [Resent Packet: False]
        Message Header
            Via: SIP/2.0/TCP 10.105.80.40:5060;branch=z9hG4bK-d87543-2fc7f1716f549c64-1--d87543-;rport
                Transport: TCP
                Sent-by Address: 10.105.80.40
                Sent-by port: 5060
                Branch: z9hG4bK-d87543-2fc7f1716f549c64-1--d87543-
                RPort: rport
            Max-Forwards: 70
            Record-Route: <sip:10.105.80.40:5060;lr;transport=TCP>
            Contact: <sip:+1001@10.105.80.40>
                Contact Binding: <sip:+1001@10.105.80.40>
            To: <sip:+2000@10.105.102.92;user=phone;transport=tcp>
                SIP to address: sip:+2000@10.105.102.92
            From: "Jason Fox"<sip:+1001@10.105.80.40;user=phone>;tag=d8bcfc6a
                SIP Display info: "Jason Fox"
                SIP from address: sip:+1001@10.105.80.40
                SIP tag: d8bcfc6a
            Call-ID: YmU4MDJjMzAxNTk3MDA5ZjVkODczYWJhYzA2OTRlNGY.
            CSeq: 1 INVITE
                Sequence Number: 1
                Method: INVITE
            Session-Expires: 1800
            Min-SE: 90
            Allow: INVITE, OPTIONS, BYE, ACK, CANCEL, INFO, REGISTER, REFER, SUBSCRIBE, NOTIFY, MESSAGE
            Content-Type: application/sdp
            Supported: timer
            User-Agent: Aastra MX-ONE SN/12.73
            Content-Length: 274
        Message Body
            Session Description Protocol
                Session Description Protocol Version (v): 0
                Owner/Creator, Session Id (o): - 3453538240 3453538240 IN IP4 10.105.102.63
                Session Name (s): SJphone
                Connection Information (c): IN IP4 10.105.102.63
                Time Description, active time (t): 0 0
                Media Description, name and address (m): audio 49236 RTP/AVP 8 0 101
                Connection Information (c): IN IP4 10.105.102.63
                Media Attribute (a): rtpmap:8 PCMA/8000
                Media Attribute (a): rtpmap:0 PCMU/8000
                Media Attribute (a): rtpmap:101 telephone-event/8000
                Media Attribute (a): fmtp:101 0-16
                Media Attribute (a): setup:active
                Media Attribute (a): sendrecv

    No.     Time        Source                Destination           Protocol Info
        236 13.287700   10.105.102.92         10.105.80.40          SIP      Status: 100 Trying

    Frame 236 (393 bytes on wire, 393 bytes captured)
    Ethernet II, Src: Msi_a9:49:cc (00:16:17:a9:49:cc), Dst: Nortel_13:52:0a (00:1f:0a:13:52:0a)
    Internet Protocol, Src: 10.105.102.92 (10.105.102.92), Dst: 10.105.80.40 (10.105.80.40)
    Transmission Control Protocol, Src Port: sip (5060), Dst Port: 59885 (59885), Seq: 1, Ack: 971, Len: 327
        Source port: sip (5060)
        Destination port: 59885 (59885)
        Sequence number: 1    (relative sequence number)
        [Next sequence number: 328    (relative sequence number)]
        Acknowledgement number: 971    (relative ack number)
        Header length: 32 bytes
        Flags: 0x18 (PSH, ACK)
        Window size: 254
        Checksum: 0xccc3 [incorrect, should be 0xcfeb (maybe caused by "TCP checksum offload"?)]
        Options: (12 bytes)
        [SEQ/ACK analysis]
    Session Initiation Protocol
        Status-Line: SIP/2.0 100 Trying
            Status-Code: 100
            [Resent Packet: False]
        Message Header
            FROM: "Jason Fox"<sip:+1001@10.105.80.40;user=phone>;tag=d8bcfc6a
                SIP Display info: "Jason Fox"
                SIP from address: sip:+1001@10.105.80.40
                SIP tag: d8bcfc6a
            TO: <sip:+2000@10.105.102.92;user=phone;transport=tcp>
                SIP to address: sip:+2000@10.105.102.92
            CSEQ: 1 INVITE
                Sequence Number: 1
                Method: INVITE
            CALL-ID: YmU4MDJjMzAxNTk3MDA5ZjVkODczYWJhYzA2OTRlNGY.
            VIA: SIP/2.0/TCP 10.105.80.40:5060;branch=z9hG4bK-d87543-2fc7f1716f549c64-1--d87543-;rport
                Transport: TCP
                Sent-by Address: 10.105.80.40
                Sent-by port: 5060
                Branch: z9hG4bK-d87543-2fc7f1716f549c64-1--d87543-
                RPort: rport
            CONTENT-LENGTH: 0

    No.     Time        Source                Destination           Protocol Info
        238 13.328319   10.105.102.92         10.105.80.40          SIP      Status: 488 Invalid incoming Gateway SDP: GatewaySDP: Unrecognized transport profile

    Frame 238 (528 bytes on wire, 528 bytes captured)
    Ethernet II, Src: Msi_a9:49:cc (00:16:17:a9:49:cc), Dst: Nortel_13:52:0a (00:1f:0a:13:52:0a)
    Internet Protocol, Src: 10.105.102.92 (10.105.102.92), Dst: 10.105.80.40 (10.105.80.40)
    Transmission Control Protocol, Src Port: sip (5060), Dst Port: 59885 (59885), Seq: 328, Ack: 971, Len: 462
        Source port: sip (5060)
        Destination port: 59885 (59885)
        Sequence number: 328    (relative sequence number)
        [Next sequence number: 790    (relative sequence number)]
        Acknowledgement number: 971    (relative ack number)
        Header length: 32 bytes
        Flags: 0x18 (PSH, ACK)
        Window size: 254
        Checksum: 0xcd4a [incorrect, should be 0xe9aa (maybe caused by "TCP checksum offload"?)]
        Options: (12 bytes)
        [SEQ/ACK analysis]
    Session Initiation Protocol
        Status-Line: SIP/2.0 488 Invalid incoming Gateway SDP: GatewaySDP: Unrecognized transport profile
            Status-Code: 488
            [Resent Packet: False]
        Message Header
            FROM: "Jason Fox"<sip:+1001@10.105.80.40;user=phone>;tag=d8bcfc6a
                SIP Display info: "Jason Fox"
                SIP from address: sip:+1001@10.105.80.40
                SIP tag: d8bcfc6a
            TO: <sip:+2000@10.105.102.92;user=phone;transport=tcp>;epid=85E8C9E544;tag=1d9c83cebb
                SIP to address: sip:+2000@10.105.102.92
                SIP tag: 1d9c83cebb
            CSEQ: 1 INVITE
                Sequence Number: 1
                Method: INVITE
            CALL-ID: YmU4MDJjMzAxNTk3MDA5ZjVkODczYWJhYzA2OTRlNGY.
            VIA: SIP/2.0/TCP 10.105.80.40:5060;branch=z9hG4bK-d87543-2fc7f1716f549c64-1--d87543-;rport
                Transport: TCP
                Sent-by Address: 10.105.80.40
                Sent-by port: 5060
                Branch: z9hG4bK-d87543-2fc7f1716f549c64-1--d87543-
                RPort: rport
            CONTENT-LENGTH: 0
            SERVER: RTCC/3.5.0.0 MediationServer

    No.     Time        Source                Destination           Protocol Info
        240 13.350931   10.105.80.40          10.105.102.92         SIP      Request: ACK sip:+2000@10.105.102.92;user=phone;transport=tcp

    Frame 240 (481 bytes on wire, 481 bytes captured)
    Ethernet II, Src: Nortel_13:52:0a (00:1f:0a:13:52:0a), Dst: Msi_a9:49:cc (00:16:17:a9:49:cc)
    Internet Protocol, Src: 10.105.80.40 (10.105.80.40), Dst: 10.105.102.92 (10.105.102.92)
    Transmission Control Protocol, Src Port: 59885 (59885), Dst Port: sip (5060), Seq: 971, Ack: 790, Len: 415
        Source port: 59885 (59885)
        Destination port: sip (5060)
        Sequence number: 971    (relative sequence number)
        [Next sequence number: 1386    (relative sequence number)]
        Acknowledgement number: 790    (relative ack number)
        Header length: 32 bytes
        Flags: 0x18 (PSH, ACK)
        Window size: 4944
        Checksum: 0x06d8 [correct]
        Options: (12 bytes)
    Session Initiation Protocol
        Request-Line: ACK sip:+2000@10.105.102.92;user=phone;transport=tcp SIP/2.0
            Method: ACK
            [Resent Packet: False]
        Message Header
            Via: SIP/2.0/TCP 10.105.80.40:5060;branch=z9hG4bK-d87543-2fc7f1716f549c64-1--d87543-;rport
                Transport: TCP
                Sent-by Address: 10.105.80.40
                Sent-by port: 5060
                Branch: z9hG4bK-d87543-2fc7f1716f549c64-1--d87543-
                RPort: rport
            Max-Forwards: 70
            To: <sip:+2000@10.105.102.92;user=phone;transport=tcp>;epid=85E8C9E544;tag=1d9c83cebb
                SIP to address: sip:+2000@10.105.102.92
                SIP tag: 1d9c83cebb
            From: "Jason Fox"<sip:+1001@10.105.80.40;user=phone>;tag=d8bcfc6a
                SIP Display info: "Jason Fox"
                SIP from address: sip:+1001@10.105.80.40
                SIP tag: d8bcfc6a
            Call-ID: YmU4MDJjMzAxNTk3MDA5ZjVkODczYWJhYzA2OTRlNGY.
            CSeq: 1 ACK
                Sequence Number: 1
                Method: ACK
            Content-Length: 0

    Tuesday, June 9, 2009 12:28 PM

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    Media Attribute "setup:active" in SDP seems to indicate RTP over TCP; This may be the reason for above error message.
    Johann Deutinger | MCTS Exchange 2007 / OCS 2007
    Tuesday, June 9, 2009 4:29 PM
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    Hello Johann,

    Thanks for the hint, it might very well be the problem.
    I was using SJphone to test this, but I did not find any settings for RTP transport in that client.
    So I switched to X-lite and now it works.

    The difference in the SIP conversation as I see are that "setup:active" is gone and I have
    a new Media Attribute "alt" which I do not think matters so much.

    Here is the successful setup using X-lite:


    No.     Time        Source                Destination           Protocol Info
         15 3.327519    10.105.80.40          10.105.102.92         SIP/SDP  Request: INVITE sip:+2000@10.105.102.92;user=phone;transport=tcp, with session description

    Frame 15 (1044 bytes on wire, 1044 bytes captured)
    Ethernet II, Src: 00:1f:0a:13:52:0a (00:1f:0a:13:52:0a), Dst: 00:16:17:a9:49:cc (00:16:17:a9:49:cc)
    Internet Protocol, Src: 10.105.80.40 (10.105.80.40), Dst: 10.105.102.92 (10.105.102.92)
    Transmission Control Protocol, Src Port: 59885 (59885), Dst Port: 5060 (5060), Seq: 1, Ack: 1, Len: 978
    Session Initiation Protocol
        Request-Line: INVITE sip:+2000@10.105.102.92;user=phone;transport=tcp SIP/2.0
        Message Header
            Via: SIP/2.0/TCP 10.105.80.40:5060;branch=z9hG4bK-d87543-a23e6f22c0ffb637-1--d87543-;rport
            Max-Forwards: 70
            Record-Route: <sip:10.105.80.40:5060;lr;transport=TCP>
            Contact: <sip:+1001@10.105.80.40>
            To: <sip:+2000@10.105.102.92;user=phone;transport=tcp>
            From: "Jason Fox"<sip:+1001@10.105.80.40;user=phone>;tag=26f18d79
            Call-ID: MDEyMGFmODAyM2JiZDM2MTE5YWM5YTRhMDJlNTUyMzM.
            CSeq: 1 INVITE
            Session-Expires: 1800
            Min-SE: 90
            Allow: INVITE, OPTIONS, BYE, ACK, CANCEL, INFO, REGISTER, REFER, SUBSCRIBE, NOTIFY, MESSAGE
            Content-Type: application/sdp
            Supported: timer
            User-Agent: Aastra MX-ONE SN/12.73
            Content-Length: 282
        Message Body
            Session Description Protocol
                Session Description Protocol Version (v): 0
                Owner/Creator, Session Id (o): - 9 2 IN IP4 10.105.102.63
                    Owner Username: -
                    Session ID: 9
                    Session Version: 2
                    Owner Network Type: IN
                    Owner Address Type: IP4
                    Owner Address: 10.105.102.63
                Session Name (s): CounterPath X-Lite 3.0
                Connection Information (c): IN IP4 10.105.102.63
                Time Description, active time (t): 0 0
                Media Description, name and address (m): audio 59022 RTP/AVP 0 8 101
                    Media Type: audio
                    Media Port: 59022
                    Media Proto: RTP/AVP
                    Media Format: ITU-T G.711 PCMU
                    Media Format: ITU-T G.711 PCMA
                    Media Format: 101
                Media Attribute (a): rtpmap:0 PCMU/8000
                Media Attribute (a): rtpmap:8 PCMA/8000
                Media Attribute (a): rtpmap:101 telephone-event/8000
                Media Attribute (a): fmtp:101 0-15
                Media Attribute (a): alt:1 1 : E1OTT7Ql lVpY9Iho 10.105.102.63 59022
                Media Attribute (a): sendrecv

    No.     Time        Source                Destination           Protocol Info
         18 3.364458    10.105.102.92         10.105.80.40          SIP      Status: 100 Trying

    Frame 18 (393 bytes on wire, 393 bytes captured)
    Ethernet II, Src: 00:16:17:a9:49:cc (00:16:17:a9:49:cc), Dst: 00:1f:0a:13:52:0a (00:1f:0a:13:52:0a)
    Internet Protocol, Src: 10.105.102.92 (10.105.102.92), Dst: 10.105.80.40 (10.105.80.40)
    Transmission Control Protocol, Src Port: 5060 (5060), Dst Port: 59885 (59885), Seq: 1, Ack: 979, Len: 327
    Session Initiation Protocol
        Status-Line: SIP/2.0 100 Trying
        Message Header
            FROM: "Jason Fox"<sip:+1001@10.105.80.40;user=phone>;tag=26f18d79
            TO: <sip:+2000@10.105.102.92;user=phone;transport=tcp>
            CSEQ: 1 INVITE
            CALL-ID: MDEyMGFmODAyM2JiZDM2MTE5YWM5YTRhMDJlNTUyMzM.
            VIA: SIP/2.0/TCP 10.105.80.40:5060;branch=z9hG4bK-d87543-a23e6f22c0ffb637-1--d87543-;rport
            CONTENT-LENGTH: 0

    No.     Time        Source                Destination           Protocol Info
        330 7.835370    10.105.102.92         10.105.80.40          SIP      Status: 183 Session Progress

    Frame 330 (610 bytes on wire, 610 bytes captured)
    Ethernet II, Src: 00:16:17:a9:49:cc (00:16:17:a9:49:cc), Dst: 00:1f:0a:13:52:0a (00:1f:0a:13:52:0a)
    Internet Protocol, Src: 10.105.102.92 (10.105.102.92), Dst: 10.105.80.40 (10.105.80.40)
    Transmission Control Protocol, Src Port: 5060 (5060), Dst Port: 59885 (59885), Seq: 328, Ack: 979, Len: 544
    Session Initiation Protocol
        Status-Line: SIP/2.0 183 Session Progress
        Message Header
            FROM: "Jason Fox"<sip:+1001@10.105.80.40;user=phone>;tag=26f18d79
            TO: <sip:+2000@10.105.102.92;user=phone;transport=tcp>;tag=aa6bd0e54d;epid=85E8C9E544
            CSEQ: 1 INVITE
            CALL-ID: MDEyMGFmODAyM2JiZDM2MTE5YWM5YTRhMDJlNTUyMzM.
            VIA: SIP/2.0/TCP 10.105.80.40:5060;branch=z9hG4bK-d87543-a23e6f22c0ffb637-1--d87543-;rport
            RECORD-ROUTE: <sip:10.105.80.40:5060;lr;transport=TCP>
            CONTACT: <sip:medi.as.com:5060;transport=Tcp;maddr=10.105.102.92>
            CONTENT-LENGTH: 0
            ALLOW: UPDATE
            SERVER: RTCC/3.5.0.0 MediationServer

    No.     Time        Source                Destination           Protocol Info
        333 7.902986    10.105.102.92         10.105.80.40          SIP      Status: 180 Ringing

    Frame 333 (601 bytes on wire, 601 bytes captured)
    Ethernet II, Src: 00:16:17:a9:49:cc (00:16:17:a9:49:cc), Dst: 00:1f:0a:13:52:0a (00:1f:0a:13:52:0a)
    Internet Protocol, Src: 10.105.102.92 (10.105.102.92), Dst: 10.105.80.40 (10.105.80.40)
    Transmission Control Protocol, Src Port: 5060 (5060), Dst Port: 59885 (59885), Seq: 872, Ack: 979, Len: 535
    Session Initiation Protocol
        Status-Line: SIP/2.0 180 Ringing
        Message Header
            FROM: "Jason Fox"<sip:+1001@10.105.80.40;user=phone>;tag=26f18d79
            TO: <sip:+2000@10.105.102.92;user=phone;transport=tcp>;tag=aa6bd0e54d;epid=85E8C9E544
            CSEQ: 1 INVITE
            CALL-ID: MDEyMGFmODAyM2JiZDM2MTE5YWM5YTRhMDJlNTUyMzM.
            VIA: SIP/2.0/TCP 10.105.80.40:5060;branch=z9hG4bK-d87543-a23e6f22c0ffb637-1--d87543-;rport
            RECORD-ROUTE: <sip:10.105.80.40:5060;lr;transport=TCP>
            CONTACT: <sip:medi.as.com:5060;transport=Tcp;maddr=10.105.102.92>
            CONTENT-LENGTH: 0
            ALLOW: UPDATE
            SERVER: RTCC/3.5.0.0 MediationServer

    No.     Time        Source                Destination           Protocol Info
        341 8.080276    10.105.102.92         10.105.80.40          SIP      Status: 183 Session Progress

    Frame 341 (610 bytes on wire, 610 bytes captured)
    Ethernet II, Src: 00:16:17:a9:49:cc (00:16:17:a9:49:cc), Dst: 00:1f:0a:13:52:0a (00:1f:0a:13:52:0a)
    Internet Protocol, Src: 10.105.102.92 (10.105.102.92), Dst: 10.105.80.40 (10.105.80.40)
    Transmission Control Protocol, Src Port: 5060 (5060), Dst Port: 59885 (59885), Seq: 1407, Ack: 979, Len: 544
    Session Initiation Protocol
        Status-Line: SIP/2.0 183 Session Progress
        Message Header
            FROM: "Jason Fox"<sip:+1001@10.105.80.40;user=phone>;tag=26f18d79
            TO: <sip:+2000@10.105.102.92;user=phone;transport=tcp>;tag=aa6bd0e54d;epid=85E8C9E544
            CSEQ: 1 INVITE
            CALL-ID: MDEyMGFmODAyM2JiZDM2MTE5YWM5YTRhMDJlNTUyMzM.
            VIA: SIP/2.0/TCP 10.105.80.40:5060;branch=z9hG4bK-d87543-a23e6f22c0ffb637-1--d87543-;rport
            RECORD-ROUTE: <sip:10.105.80.40:5060;lr;transport=TCP>
            CONTACT: <sip:medi.as.com:5060;transport=Tcp;maddr=10.105.102.92>
            CONTENT-LENGTH: 0
            ALLOW: UPDATE
            SERVER: RTCC/3.5.0.0 MediationServer

    No.     Time        Source                Destination           Protocol Info
        740 23.247316   10.105.102.92         10.105.80.40          SIP/SDP  Status: 200 OK, with session description

    Frame 740 (951 bytes on wire, 951 bytes captured)
    Ethernet II, Src: 00:16:17:a9:49:cc (00:16:17:a9:49:cc), Dst: 00:1f:0a:13:52:0a (00:1f:0a:13:52:0a)
    Internet Protocol, Src: 10.105.102.92 (10.105.102.92), Dst: 10.105.80.40 (10.105.80.40)
    Transmission Control Protocol, Src Port: 5060 (5060), Dst Port: 59885 (59885), Seq: 1951, Ack: 979, Len: 885
    Session Initiation Protocol
        Status-Line: SIP/2.0 200 OK
        Message Header
            FROM: "Jason Fox"<sip:+1001@10.105.80.40;user=phone>;tag=26f18d79
            TO: <sip:+2000@10.105.102.92;user=phone;transport=tcp>;tag=aa6bd0e54d;epid=85E8C9E544
            CSEQ: 1 INVITE
            CALL-ID: MDEyMGFmODAyM2JiZDM2MTE5YWM5YTRhMDJlNTUyMzM.
            VIA: SIP/2.0/TCP 10.105.80.40:5060;branch=z9hG4bK-d87543-a23e6f22c0ffb637-1--d87543-;rport
            RECORD-ROUTE: <sip:10.105.80.40:5060;lr;transport=TCP>
            CONTACT: <sip:medi.as.com:5060;transport=Tcp;maddr=10.105.102.92>
            CONTENT-LENGTH: 256
            SUPPORTED: 100rel
            CONTENT-TYPE: application/sdp; charset=utf-8
            ALLOW: UPDATE
            SERVER: RTCC/3.5.0.0 MediationServer
            ALLOW: Ack, Cancel, Bye,Invite
        Message Body
            Session Description Protocol
                Session Description Protocol Version (v): 0
                Owner/Creator, Session Id (o): - 2 1 IN IP4 10.105.102.92
                    Owner Username: -
                    Session ID: 2
                    Session Version: 1
                    Owner Network Type: IN
                    Owner Address Type: IP4
                    Owner Address: 10.105.102.92
                Session Name (s): session
                Connection Information (c): IN IP4 10.105.102.92
                Bandwidth Information (b): CT:1000
                Time Description, active time (t): 0 0
                Media Description, name and address (m): audio 60042 RTP/AVP 0 101
                    Media Type: audio
                    Media Port: 60042
                    Media Proto: RTP/AVP
                    Media Format: ITU-T G.711 PCMU
                    Media Format: 101
                Connection Information (c): IN IP4 10.105.102.92
                Media Attribute (a): rtcp:60043
                Media Attribute (a): label:Audio
                Media Attribute (a): rtpmap:0 PCMU/8000
                Media Attribute (a): rtpmap:101 telephone-event/8000
                Media Attribute (a): fmtp:101 0-16
                Media Attribute (a): ptime:20

     

    Wednesday, June 10, 2009 8:31 AM