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Thread: Call drops whenever it is a fax

  1. 04-11-2010, 08:25 PM #1
    mfarchie
    mfarchie is offline
    Junior Member
    Join Date
    Nov 2008
    Posts
    3

    Default Call drops whenever it is a fax

    Strange issue:

    Provider:- Simple Signal

    Issue:

    Whenever there is fax coming in, the call drops within a few seconds. If you call the same number and talk or leave a message or even put an analog phone and answer on the extension, the call has not problem.

    The minute you send fax tones, the call drops - please help.

    See logs below:

    ***************************** SIP message buffer start *****************************
    INVITE sip:2147052058@24.155.238.18:5060 SIP/2.0
    Via: SIP/2.0/UDP 208.77.200.13:5060;branch=z9hG4bK1opde1009gr01bk7g 641.1
    From: <sip:208.77.200.13>;tag=SD8kghd01-209075441-1271026844322-
    To: "demo trunk"<sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>
    Call-ID: SD8kghd01-ad4951b2c6e0e5d15c3ee6ec414d8ddd-vrvvfv3
    CSeq: 932004178 INVITE
    Contact: <sip:208.77.200.13:5060;transport=udp>
    Allow: ACK,BYE,CANCEL,INFO,INVITE,OPTIONS,PRACK,REFER,NOT IFY
    Accept: multipart/mixed,application/media_control+xml,application/sdp
    Max-Forwards: 9
    Content-Type: application/sdp
    Content-Length: 172

    v=0
    o=BroadWorks 119788678 1 IN IP4 208.77.200.13
    s=-
    c=IN IP4 208.77.200.13
    t=0 0
    m=audio 56092 RTP/AVP 0 18 101
    a=rtpmap:101 telephone-event/8000
    a=fmtp:101 0-15
    ***************************** SIP message buffer end ******************************

    18:00:43 Try to send SIP message # (11/04/2010 23:00:43:554 GMT) # UDP # 343 bytes # buff size 1 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    SIP/2.0 100 Trying
    Via: SIP/2.0/UDP 208.77.200.13:5060;branch=z9hG4bK1opde1009gr01bk7g 641.1
    To: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>
    From: <sip:208.77.200.13>;tag=SD8kghd01-209075441-1271026844322-
    CSeq: 932004178 INVITE
    Call-ID: SD8kghd01-ad4951b2c6e0e5d15c3ee6ec414d8ddd-vrvvfv3
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:00:43 UA --> CM # MakeCall # from: (empty)@208.77.200.13:, to: 2147052058, child: 4692875690, media exist, GUID: (empty) # ContactInfo: 208.77.200.13 # SID: 5459018723023684616
    18:00:43 CM --> UA # OnUpdateUserInfo # OID: 172637 # SID: 5459018723023684616
    18:00:43 CM --> UA # OnUpdateUserInfo # OID: 172637 # SID: 5459018723023684616
    18:00:43 CM --> UA # OnRinging # Media not exist # OID: 172637 # SID: 5459018723023684616
    18:00:43 Try to send SIP message # (11/04/2010 23:00:43:640 GMT) # UDP # 517 bytes # buff size 0 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    SIP/2.0 180 Ringing
    Via: SIP/2.0/UDP 208.77.200.13:5060;branch=z9hG4bK1opde1009gr01bk7g 641.1
    To: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568491c2e9106-6b3b-4084-b3cc-9095dbdde04b
    From: <sip:208.77.200.13>;tag=SD8kghd01-209075441-1271026844322-
    CSeq: 932004178 INVITE
    Call-ID: SD8kghd01-ad4951b2c6e0e5d15c3ee6ec414d8ddd-vrvvfv3
    Contact: "demo trunk" <sip:2147052058@24.155.238.18:5060>
    Server: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:00:44 CM --> UA # OnAccept # Media exist #OID: 172637 # SID: 5459018723023684616
    18:00:44 Try to send SIP message # (11/04/2010 23:00:44:667 GMT) # UDP # 893 bytes # buff size 0 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    SIP/2.0 200 OK
    Via: SIP/2.0/UDP 208.77.200.13:5060;branch=z9hG4bK1opde1009gr01bk7g 641.1
    To: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568491c2e9106-6b3b-4084-b3cc-9095dbdde04b
    From: <sip:208.77.200.13>;tag=SD8kghd01-209075441-1271026844322-
    CSeq: 932004178 INVITE
    Call-ID: SD8kghd01-ad4951b2c6e0e5d15c3ee6ec414d8ddd-vrvvfv3
    Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, UPDATE
    Contact: "demo trunk" <sip:2147052058@24.155.238.18:5060>
    Content-Type: application/sdp
    Supported: replaces, norefersub
    Server: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Content-Length: 224

    v=0
    o=- 497 493 IN IP4 24.155.238.18
    s=-
    c=IN IP4 24.155.238.18
    t=0 0
    m=audio 6064 RTP/AVP 0 18 101
    a=rtpmap:0 PCMU/8000
    a=rtpmap:18 G729/8000
    a=fmtp:18 annexb=no
    a=rtpmap:101 telephone-event/8000
    a=fmtp:101 0-15
    ***************************** SIP message buffer end ******************************

    18:00:44 Receive SIP message # (11/04/2010 23:00:44:801 GMT) # UDP # 484 bytes # buff size 1 # from: 208.77.200.13:5060 # to: 24.155.238.18:5060

    ***************************** SIP message buffer start *****************************
    ACK sip:2147052058@24.155.238.18:5060 SIP/2.0
    Via: SIP/2.0/UDP 208.77.200.13:5060;branch=z9hG4bK1opdu100d8n0eakue 301.1
    From: <sip:208.77.200.13>;tag=SD8kghd01-209075441-1271026844322-
    To: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568491c2e9106-6b3b-4084-b3cc-9095dbdde04b
    Call-ID: SD8kghd01-ad4951b2c6e0e5d15c3ee6ec414d8ddd-vrvvfv3
    CSeq: 932004178 ACK
    Contact: <sip:208.77.200.13:5060;transport=udp>
    Max-Forwards: 9
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:00:44 UA --> CM # Done # media not exist # SID: 5459018723023684616
    18:00:53 CM --> UA # OnChangeMedia # Media exist # OID: 172637 # SID: 5459018723023684616
    18:00:53 Try to send SIP message # (11/04/2010 23:00:53:683 GMT) # UDP # 837 bytes # buff size 0 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    INVITE sip:208.77.200.13:5060;transport=UDP SIP/2.0
    Via: SIP/2.0/UDP 24.155.238.18:5060;rport;branch=z9hG4bKEPSVBUS487f c3c4-893c-4708-9ce6-f6324cbb0e5d
    To: <sip:208.77.200.13>;tag=SD8kghd01-209075441-1271026844322-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568491c2e9106-6b3b-4084-b3cc-9095dbdde04b
    CSeq: 671 INVITE
    Call-ID: SD8kghd01-ad4951b2c6e0e5d15c3ee6ec414d8ddd-vrvvfv3
    Contact: "demo trunk" <sip:2147052058@24.155.238.18:5060>
    Content-Type: application/sdp
    User-Agent: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Max-Forwards: 70
    Content-Length: 212

    v=0
    o=- 497 494 IN IP4 24.155.238.18
    s=-
    c=IN IP4 24.155.238.18
    t=0 0
    m=image 6066 udptl t38
    a=T38FaxVersion:0
    a=T38MaxBitRate:14400
    a=T38FaxRateManagement:transferredTCF
    a=T38FaxUdpEC:t38UDPRedundancy
    ***************************** SIP message buffer end ******************************

    18:00:53 Receive SIP message # (11/04/2010 23:00:53:747 GMT) # UDP # 541 bytes # buff size 1 # from: 208.77.200.13:5060 # to: 24.155.238.18:5060

    ***************************** SIP message buffer start *****************************
    SIP/2.0 401 Unauthorized
    Via: SIP/2.0/UDP 24.155.238.18:5060;branch=z9hG4bKEPSVBUS487fc3c4-893c-4708-9ce6-f6324cbb0e5d;rport=5060
    To: <sip:208.77.200.13>;tag=SD8kghd01-209075441-1271026844322-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568491c2e9106-6b3b-4084-b3cc-9095dbdde04b
    CSeq: 671 INVITE
    Call-ID: SD8kghd01-ad4951b2c6e0e5d15c3ee6ec414d8ddd-vrvvfv3
    WWW-Authenticate: DIGEST qop="auth",nonce="BroadWorksXg7wgklmnT460iltBW",al gorithm=MD5,realm="elinkdashboard.com"
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:00:53 Try to send SIP message # (11/04/2010 23:00:53:753 GMT) # UDP # 527 bytes # buff size 1 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    ACK sip:208.77.200.13:5060;transport=UDP SIP/2.0
    Via: SIP/2.0/UDP 24.155.238.18:5060;rport;branch=z9hG4bKEPSVBUS487f c3c4-893c-4708-9ce6-f6324cbb0e5d
    To: <sip:208.77.200.13>;tag=SD8kghd01-209075441-1271026844322-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568491c2e9106-6b3b-4084-b3cc-9095dbdde04b
    CSeq: 671 ACK
    Call-ID: SD8kghd01-ad4951b2c6e0e5d15c3ee6ec414d8ddd-vrvvfv3
    User-Agent: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Max-Forwards: 70
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:00:53 Got 401 response, try to authenticate message # OID: 172637 # SID: 5459018723023684616
    18:00:53 Try to send SIP message # (11/04/2010 23:00:53:774 GMT) # UDP # 1086 bytes # buff size 0 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    INVITE sip:208.77.200.13:5060;transport=UDP SIP/2.0
    Via: SIP/2.0/UDP 24.155.238.18:5060;rport;branch=z9hG4bKEPSVBUSe500 906c-58e0-46c0-80d3-28e5a998264e
    To: <sip:208.77.200.13>;tag=SD8kghd01-209075441-1271026844322-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568491c2e9106-6b3b-4084-b3cc-9095dbdde04b
    CSeq: 672 INVITE
    Call-ID: SD8kghd01-ad4951b2c6e0e5d15c3ee6ec414d8ddd-vrvvfv3
    Contact: "demo trunk" <sip:2147052058@24.155.238.18:5060>
    Content-Type: application/sdp
    User-Agent: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Max-Forwards: 70
    Authorization: DIGEST realm="elinkdashboard.com",nonce="BroadWorksXg7wgk lmnT460iltBW",username="2147052058",uri="sip:208.7 7.200.13:5060;transport=UDP",algorithm=MD5,qop=aut h,cnonce="1593f31c",nc=00000001,response="e30b732a 3b87dc29cd59c2994eed5b92"
    Content-Length: 212

    v=0
    o=- 497 494 IN IP4 24.155.238.18
    s=-
    c=IN IP4 24.155.238.18
    t=0 0
    m=image 6066 udptl t38
    a=T38FaxVersion:0
    a=T38MaxBitRate:14400
    a=T38FaxRateManagement:transferredTCF
    a=T38FaxUdpEC:t38UDPRedundancy
    ***************************** SIP message buffer end ******************************

    18:00:53 Receive SIP message # (11/04/2010 23:00:53:839 GMT) # UDP # 541 bytes # buff size 1 # from: 208.77.200.13:5060 # to: 24.155.238.18:5060

    ***************************** SIP message buffer start *****************************
    SIP/2.0 401 Unauthorized
    Via: SIP/2.0/UDP 24.155.238.18:5060;branch=z9hG4bKEPSVBUSe500906c-58e0-46c0-80d3-28e5a998264e;rport=5060
    To: <sip:208.77.200.13>;tag=SD8kghd01-209075441-1271026844322-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568491c2e9106-6b3b-4084-b3cc-9095dbdde04b
    CSeq: 672 INVITE
    Call-ID: SD8kghd01-ad4951b2c6e0e5d15c3ee6ec414d8ddd-vrvvfv3
    WWW-Authenticate: DIGEST qop="auth",nonce="BroadWorksXg7wgklp6T7dmxouBW",al gorithm=MD5,realm="elinkdashboard.com"
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:00:53 Got 401 response, try to authenticate message # OID: 172637 # SID: 5459018723023684616
    18:00:53 UA --> CM # CloseCall # reason: Authorization # SID: 5459018723023684616
    18:00:53 UA --> CM # CloseCall # reason: Authorization # SID: 5459018723023684616
    18:00:53 CM --> UA # OnCloseCall # OID: 172637 # SID: 5459018723023684616
    18:00:53 Try to send SIP message # (11/04/2010 23:00:53:888 GMT) # UDP # 527 bytes # buff size 1 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    ACK sip:208.77.200.13:5060;transport=UDP SIP/2.0
    Via: SIP/2.0/UDP 24.155.238.18:5060;rport;branch=z9hG4bKEPSVBUSe500 906c-58e0-46c0-80d3-28e5a998264e
    To: <sip:208.77.200.13>;tag=SD8kghd01-209075441-1271026844322-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568491c2e9106-6b3b-4084-b3cc-9095dbdde04b
    CSeq: 672 ACK
    Call-ID: SD8kghd01-ad4951b2c6e0e5d15c3ee6ec414d8ddd-vrvvfv3
    User-Agent: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Max-Forwards: 70
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:00:53 Try to send SIP message # (11/04/2010 23:00:53:908 GMT) # UDP # 527 bytes # buff size 0 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    BYE sip:208.77.200.13:5060;transport=UDP SIP/2.0
    Via: SIP/2.0/UDP 24.155.238.18:5060;rport;branch=z9hG4bKEPSVBUS3d79 b1a6-b47f-4e3e-b42b-d583ba1d34ae
    To: <sip:208.77.200.13>;tag=SD8kghd01-209075441-1271026844322-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568491c2e9106-6b3b-4084-b3cc-9095dbdde04b
    CSeq: 673 BYE
    Call-ID: SD8kghd01-ad4951b2c6e0e5d15c3ee6ec414d8ddd-vrvvfv3
    User-Agent: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Max-Forwards: 70
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:00:53 Receive SIP message # (11/04/2010 23:00:53:968 GMT) # UDP # 413 bytes # buff size 1 # from: 208.77.200.13:5060 # to: 24.155.238.18:5060

    ***************************** SIP message buffer start *****************************
    SIP/2.0 200 OK
    Via: SIP/2.0/UDP 24.155.238.18:5060;branch=z9hG4bKEPSVBUS3d79b1a6-b47f-4e3e-b42b-d583ba1d34ae;rport=5060
    To: <sip:208.77.200.13>;tag=SD8kghd01-209075441-1271026844322-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568491c2e9106-6b3b-4084-b3cc-9095dbdde04b
    CSeq: 673 BYE
    Call-ID: SD8kghd01-ad4951b2c6e0e5d15c3ee6ec414d8ddd-vrvvfv3
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:04:12 Receive SIP message # (11/04/2010 23:04:12:182 GMT) # UDP # 777 bytes # buff size 1 # from: 208.77.200.13:5060 # to: 24.155.238.18:5060

    ***************************** SIP message buffer start *****************************
    INVITE sip:2147052058@24.155.238.18:5060 SIP/2.0
    Via: SIP/2.0/UDP 208.77.200.13:5060;branch=z9hG4bK1opdu93038dh3cg8k 2s1.1
    From: <sip:208.77.200.13>;tag=SDnbbr901-1259050696-1271027052952-
    To: "demo trunk"<sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>
    Call-ID: SDnbbr901-19701eb7ca9b2a51467c7addae62ab03-vrvvfv3
    CSeq: 932108493 INVITE
    Contact: <sip:208.77.200.13:5060;transport=udp>
    Allow: ACK,BYE,CANCEL,INFO,INVITE,OPTIONS,PRACK,REFER,NOT IFY
    Accept: multipart/mixed,application/media_control+xml,application/sdp
    Max-Forwards: 9
    Content-Type: application/sdp
    Content-Length: 172

    v=0
    o=BroadWorks 119792623 1 IN IP4 208.77.200.13
    s=-
    c=IN IP4 208.77.200.13
    t=0 0
    m=audio 49590 RTP/AVP 0 18 101
    a=rtpmap:101 telephone-event/8000
    a=fmtp:101 0-15
    ***************************** SIP message buffer end ******************************

    18:04:12 Try to send SIP message # (11/04/2010 23:04:12:186 GMT) # UDP # 344 bytes # buff size 1 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    SIP/2.0 100 Trying
    Via: SIP/2.0/UDP 208.77.200.13:5060;branch=z9hG4bK1opdu93038dh3cg8k 2s1.1
    To: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>
    From: <sip:208.77.200.13>;tag=SDnbbr901-1259050696-1271027052952-
    CSeq: 932108493 INVITE
    Call-ID: SDnbbr901-19701eb7ca9b2a51467c7addae62ab03-vrvvfv3
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:04:12 UA --> CM # MakeCall # from: (empty)@208.77.200.13:, to: 2147052058, child: 4692875690, media exist, GUID: (empty) # ContactInfo: 208.77.200.13 # SID: 5459019620671482444
    18:04:12 CM --> UA # OnUpdateUserInfo # OID: 172642 # SID: 5459019620671482444
    18:04:12 CM --> UA # OnUpdateUserInfo # OID: 172642 # SID: 5459019620671482444
    18:04:12 CM --> UA # OnRinging # Media not exist # OID: 172642 # SID: 5459019620671482444
    18:04:12 Try to send SIP message # (11/04/2010 23:04:12:287 GMT) # UDP # 518 bytes # buff size 0 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    SIP/2.0 180 Ringing
    Via: SIP/2.0/UDP 208.77.200.13:5060;branch=z9hG4bK1opdu93038dh3cg8k 2s1.1
    To: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568490575bf2f-acab-4bc9-afc3-20094997c03b
    From: <sip:208.77.200.13>;tag=SDnbbr901-1259050696-1271027052952-
    CSeq: 932108493 INVITE
    Call-ID: SDnbbr901-19701eb7ca9b2a51467c7addae62ab03-vrvvfv3
    Contact: "demo trunk" <sip:2147052058@24.155.238.18:5060>
    Server: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:04:13 CM --> UA # OnAccept # Media exist #OID: 172642 # SID: 5459019620671482444
    18:04:13 Try to send SIP message # (11/04/2010 23:04:13:285 GMT) # UDP # 894 bytes # buff size 0 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    SIP/2.0 200 OK
    Via: SIP/2.0/UDP 208.77.200.13:5060;branch=z9hG4bK1opdu93038dh3cg8k 2s1.1
    To: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568490575bf2f-acab-4bc9-afc3-20094997c03b
    From: <sip:208.77.200.13>;tag=SDnbbr901-1259050696-1271027052952-
    CSeq: 932108493 INVITE
    Call-ID: SDnbbr901-19701eb7ca9b2a51467c7addae62ab03-vrvvfv3
    Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, UPDATE
    Contact: "demo trunk" <sip:2147052058@24.155.238.18:5060>
    Content-Type: application/sdp
    Supported: replaces, norefersub
    Server: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Content-Length: 224

    v=0
    o=- 445 458 IN IP4 24.155.238.18
    s=-
    c=IN IP4 24.155.238.18
    t=0 0
    m=audio 6068 RTP/AVP 0 18 101
    a=rtpmap:0 PCMU/8000
    a=rtpmap:18 G729/8000
    a=fmtp:18 annexb=no
    a=rtpmap:101 telephone-event/8000
    a=fmtp:101 0-15
    ***************************** SIP message buffer end ******************************

    18:04:13 Receive SIP message # (11/04/2010 23:04:13:399 GMT) # UDP # 485 bytes # buff size 1 # from: 208.77.200.13:5060 # to: 24.155.238.18:5060

    ***************************** SIP message buffer start *****************************
    ACK sip:2147052058@24.155.238.18:5060 SIP/2.0
    Via: SIP/2.0/UDP 208.77.200.13:5060;branch=z9hG4bK1opdea307obgtboal 3c0.1
    From: <sip:208.77.200.13>;tag=SDnbbr901-1259050696-1271027052952-
    To: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568490575bf2f-acab-4bc9-afc3-20094997c03b
    Call-ID: SDnbbr901-19701eb7ca9b2a51467c7addae62ab03-vrvvfv3
    CSeq: 932108493 ACK
    Contact: <sip:208.77.200.13:5060;transport=udp>
    Max-Forwards: 9
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:04:13 UA --> CM # Done # media not exist # SID: 5459019620671482444
    18:04:22 CM --> UA # OnChangeMedia # Media exist # OID: 172642 # SID: 5459019620671482444
    18:04:22 Try to send SIP message # (11/04/2010 23:04:22:361 GMT) # UDP # 838 bytes # buff size 0 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    INVITE sip:208.77.200.13:5060;transport=UDP SIP/2.0
    Via: SIP/2.0/UDP 24.155.238.18:5060;rport;branch=z9hG4bKEPSVBUS82b0 3e11-36c2-44bb-911f-f77d618060c2
    To: <sip:208.77.200.13>;tag=SDnbbr901-1259050696-1271027052952-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568490575bf2f-acab-4bc9-afc3-20094997c03b
    CSeq: 485 INVITE
    Call-ID: SDnbbr901-19701eb7ca9b2a51467c7addae62ab03-vrvvfv3
    Contact: "demo trunk" <sip:2147052058@24.155.238.18:5060>
    Content-Type: application/sdp
    User-Agent: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Max-Forwards: 70
    Content-Length: 212

    v=0
    o=- 445 459 IN IP4 24.155.238.18
    s=-
    c=IN IP4 24.155.238.18
    t=0 0
    m=image 6070 udptl t38
    a=T38FaxVersion:0
    a=T38MaxBitRate:14400
    a=T38FaxRateManagement:transferredTCF
    a=T38FaxUdpEC:t38UDPRedundancy
    ***************************** SIP message buffer end ******************************

    18:04:22 Receive SIP message # (11/04/2010 23:04:22:425 GMT) # UDP # 542 bytes # buff size 1 # from: 208.77.200.13:5060 # to: 24.155.238.18:5060

    ***************************** SIP message buffer start *****************************
    SIP/2.0 401 Unauthorized
    Via: SIP/2.0/UDP 24.155.238.18:5060;branch=z9hG4bKEPSVBUS82b03e11-36c2-44bb-911f-f77d618060c2;rport=5060
    To: <sip:208.77.200.13>;tag=SDnbbr901-1259050696-1271027052952-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568490575bf2f-acab-4bc9-afc3-20094997c03b
    CSeq: 485 INVITE
    Call-ID: SDnbbr901-19701eb7ca9b2a51467c7addae62ab03-vrvvfv3
    WWW-Authenticate: DIGEST qop="auth",nonce="BroadWorksXg7wgp2ncTtq7c6oBW",al gorithm=MD5,realm="elinkdashboard.com"
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:04:22 Try to send SIP message # (11/04/2010 23:04:22:431 GMT) # UDP # 528 bytes # buff size 1 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    ACK sip:208.77.200.13:5060;transport=UDP SIP/2.0
    Via: SIP/2.0/UDP 24.155.238.18:5060;rport;branch=z9hG4bKEPSVBUS82b0 3e11-36c2-44bb-911f-f77d618060c2
    To: <sip:208.77.200.13>;tag=SDnbbr901-1259050696-1271027052952-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568490575bf2f-acab-4bc9-afc3-20094997c03b
    CSeq: 485 ACK
    Call-ID: SDnbbr901-19701eb7ca9b2a51467c7addae62ab03-vrvvfv3
    User-Agent: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Max-Forwards: 70
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:04:22 Got 401 response, try to authenticate message # OID: 172642 # SID: 5459019620671482444
    18:04:22 Try to send SIP message # (11/04/2010 23:04:22:453 GMT) # UDP # 1087 bytes # buff size 0 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    INVITE sip:208.77.200.13:5060;transport=UDP SIP/2.0
    Via: SIP/2.0/UDP 24.155.238.18:5060;rport;branch=z9hG4bKEPSVBUSc300 9f77-7d31-4239-a461-cb7aa6c20e29
    To: <sip:208.77.200.13>;tag=SDnbbr901-1259050696-1271027052952-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568490575bf2f-acab-4bc9-afc3-20094997c03b
    CSeq: 486 INVITE
    Call-ID: SDnbbr901-19701eb7ca9b2a51467c7addae62ab03-vrvvfv3
    Contact: "demo trunk" <sip:2147052058@24.155.238.18:5060>
    Content-Type: application/sdp
    User-Agent: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Max-Forwards: 70
    Authorization: DIGEST realm="elinkdashboard.com",nonce="BroadWorksXg7wgp 2ncTtq7c6oBW",username="2147052058",uri="sip:208.7 7.200.13:5060;transport=UDP",algorithm=MD5,qop=aut h,cnonce="1593f31c",nc=00000001,response="80bc81ec a4455458420eb1c190b1f4b0"
    Content-Length: 212

    v=0
    o=- 445 459 IN IP4 24.155.238.18
    s=-
    c=IN IP4 24.155.238.18
    t=0 0
    m=image 6070 udptl t38
    a=T38FaxVersion:0
    a=T38MaxBitRate:14400
    a=T38FaxRateManagement:transferredTCF
    a=T38FaxUdpEC:t38UDPRedundancy
    ***************************** SIP message buffer end ******************************

    18:04:22 Receive SIP message # (11/04/2010 23:04:22:518 GMT) # UDP # 542 bytes # buff size 1 # from: 208.77.200.13:5060 # to: 24.155.238.18:5060

    ***************************** SIP message buffer start *****************************
    SIP/2.0 401 Unauthorized
    Via: SIP/2.0/UDP 24.155.238.18:5060;branch=z9hG4bKEPSVBUSc3009f77-7d31-4239-a461-cb7aa6c20e29;rport=5060
    To: <sip:208.77.200.13>;tag=SDnbbr901-1259050696-1271027052952-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568490575bf2f-acab-4bc9-afc3-20094997c03b
    CSeq: 486 INVITE
    Call-ID: SDnbbr901-19701eb7ca9b2a51467c7addae62ab03-vrvvfv3
    WWW-Authenticate: DIGEST qop="auth",nonce="BroadWorksXg7wgp2pwTnnzv4rBW",al gorithm=MD5,realm="elinkdashboard.com"
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:04:22 Got 401 response, try to authenticate message # OID: 172642 # SID: 5459019620671482444
    18:04:22 UA --> CM # CloseCall # reason: Authorization # SID: 5459019620671482444
    18:04:22 UA --> CM # CloseCall # reason: Authorization # SID: 5459019620671482444
    18:04:22 CM --> UA # OnCloseCall # OID: 172642 # SID: 5459019620671482444
    18:04:22 Try to send SIP message # (11/04/2010 23:04:22:608 GMT) # UDP # 528 bytes # buff size 1 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    ACK sip:208.77.200.13:5060;transport=UDP SIP/2.0
    Via: SIP/2.0/UDP 24.155.238.18:5060;rport;branch=z9hG4bKEPSVBUSc300 9f77-7d31-4239-a461-cb7aa6c20e29
    To: <sip:208.77.200.13>;tag=SDnbbr901-1259050696-1271027052952-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568490575bf2f-acab-4bc9-afc3-20094997c03b
    CSeq: 486 ACK
    Call-ID: SDnbbr901-19701eb7ca9b2a51467c7addae62ab03-vrvvfv3
    User-Agent: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Max-Forwards: 70
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:04:22 Try to send SIP message # (11/04/2010 23:04:22:623 GMT) # UDP # 528 bytes # buff size 0 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    BYE sip:208.77.200.13:5060;transport=UDP SIP/2.0
    Via: SIP/2.0/UDP 24.155.238.18:5060;rport;branch=z9hG4bKEPSVBUS340f 0c81-864f-477f-8745-89e3bf157560
    To: <sip:208.77.200.13>;tag=SDnbbr901-1259050696-1271027052952-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568490575bf2f-acab-4bc9-afc3-20094997c03b
    CSeq: 487 BYE
    Call-ID: SDnbbr901-19701eb7ca9b2a51467c7addae62ab03-vrvvfv3
    User-Agent: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Max-Forwards: 70
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:04:22 Receive SIP message # (11/04/2010 23:04:22:682 GMT) # UDP # 414 bytes # buff size 1 # from: 208.77.200.13:5060 # to: 24.155.238.18:5060

    ***************************** SIP message buffer start *****************************
    SIP/2.0 200 OK
    Via: SIP/2.0/UDP 24.155.238.18:5060;branch=z9hG4bKEPSVBUS340f0c81-864f-477f-8745-89e3bf157560;rport=5060
    To: <sip:208.77.200.13>;tag=SDnbbr901-1259050696-1271027052952-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568490575bf2f-acab-4bc9-afc3-20094997c03b
    CSeq: 487 BYE
    Call-ID: SDnbbr901-19701eb7ca9b2a51467c7addae62ab03-vrvvfv3
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:08:17 Receive SIP message # (11/04/2010 23:08:17:026 GMT) # UDP # 777 bytes # buff size 1 # from: 208.77.200.13:5060 # to: 24.155.238.18:5060

    ***************************** SIP message buffer start *****************************
    INVITE sip:2147052058@24.155.238.18:5060 SIP/2.0
    Via: SIP/2.0/UDP 208.77.200.13:5060;branch=z9hG4bK1opfe4301880hbgie 6g1.1
    From: <sip:208.77.200.13>;tag=SDp4a1c01-1359105624-1271027297791-
    To: "demo trunk"<sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>
    Call-ID: SDp4a1c01-5405a65f997df6a31fdc26124aff048e-vrvvfv3
    CSeq: 932230912 INVITE
    Contact: <sip:208.77.200.13:5060;transport=udp>
    Allow: ACK,BYE,CANCEL,INFO,INVITE,OPTIONS,PRACK,REFER,NOT IFY
    Accept: multipart/mixed,application/media_control+xml,application/sdp
    Max-Forwards: 9
    Content-Type: application/sdp
    Content-Length: 172

    v=0
    o=BroadWorks 119797353 1 IN IP4 208.77.200.13
    s=-
    c=IN IP4 208.77.200.13
    t=0 0
    m=audio 51118 RTP/AVP 0 18 101
    a=rtpmap:101 telephone-event/8000
    a=fmtp:101 0-15
    ***************************** SIP message buffer end ******************************

    18:08:17 Try to send SIP message # (11/04/2010 23:08:17:031 GMT) # UDP # 344 bytes # buff size 1 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    SIP/2.0 100 Trying
    Via: SIP/2.0/UDP 208.77.200.13:5060;branch=z9hG4bK1opfe4301880hbgie 6g1.1
    To: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>
    From: <sip:208.77.200.13>;tag=SDp4a1c01-1359105624-1271027297791-
    CSeq: 932230912 INVITE
    Call-ID: SDp4a1c01-5405a65f997df6a31fdc26124aff048e-vrvvfv3
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:08:17 UA --> CM # MakeCall # from: (empty)@208.77.200.13:, to: 2147052058, child: 4692875690, media exist, GUID: (empty) # ContactInfo: 208.77.200.13 # SID: 5459020672938313812
    18:08:17 CM --> UA # OnUpdateUserInfo # OID: 172650 # SID: 5459020672938313812
    18:08:17 CM --> UA # OnUpdateUserInfo # OID: 172650 # SID: 5459020672938313812
    18:08:17 CM --> UA # OnRinging # Media not exist # OID: 172650 # SID: 5459020672938313812
    18:08:17 Try to send SIP message # (11/04/2010 23:08:17:118 GMT) # UDP # 518 bytes # buff size 0 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    SIP/2.0 180 Ringing
    Via: SIP/2.0/UDP 208.77.200.13:5060;branch=z9hG4bK1opfe4301880hbgie 6g1.1
    To: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568493c6e0da6-3cf0-45e3-8682-33d0cd0f73de
    From: <sip:208.77.200.13>;tag=SDp4a1c01-1359105624-1271027297791-
    CSeq: 932230912 INVITE
    Call-ID: SDp4a1c01-5405a65f997df6a31fdc26124aff048e-vrvvfv3
    Contact: "demo trunk" <sip:2147052058@24.155.238.18:5060>
    Server: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:08:18 CM --> UA # OnAccept # Media exist #OID: 172650 # SID: 5459020672938313812
    18:08:18 Try to send SIP message # (11/04/2010 23:08:18:143 GMT) # UDP # 894 bytes # buff size 0 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    SIP/2.0 200 OK
    Via: SIP/2.0/UDP 208.77.200.13:5060;branch=z9hG4bK1opfe4301880hbgie 6g1.1
    To: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568493c6e0da6-3cf0-45e3-8682-33d0cd0f73de
    From: <sip:208.77.200.13>;tag=SDp4a1c01-1359105624-1271027297791-
    CSeq: 932230912 INVITE
    Call-ID: SDp4a1c01-5405a65f997df6a31fdc26124aff048e-vrvvfv3
    Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, UPDATE
    Contact: "demo trunk" <sip:2147052058@24.155.238.18:5060>
    Content-Type: application/sdp
    Supported: replaces, norefersub
    Server: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Content-Length: 224

    v=0
    o=- 988 253 IN IP4 24.155.238.18
    s=-
    c=IN IP4 24.155.238.18
    t=0 0
    m=audio 6072 RTP/AVP 0 18 101
    a=rtpmap:0 PCMU/8000
    a=rtpmap:18 G729/8000
    a=fmtp:18 annexb=no
    a=rtpmap:101 telephone-event/8000
    a=fmtp:101 0-15
    ***************************** SIP message buffer end ******************************

    18:08:18 Receive SIP message # (11/04/2010 23:08:18:284 GMT) # UDP # 485 bytes # buff size 1 # from: 208.77.200.13:5060 # to: 24.155.238.18:5060

    ***************************** SIP message buffer start *****************************
    ACK sip:2147052058@24.155.238.18:5060 SIP/2.0
    Via: SIP/2.0/UDP 208.77.200.13:5060;branch=z9hG4bK1opfu4305gogub0j7 780.1
    From: <sip:208.77.200.13>;tag=SDp4a1c01-1359105624-1271027297791-
    To: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568493c6e0da6-3cf0-45e3-8682-33d0cd0f73de
    Call-ID: SDp4a1c01-5405a65f997df6a31fdc26124aff048e-vrvvfv3
    CSeq: 932230912 ACK
    Contact: <sip:208.77.200.13:5060;transport=udp>
    Max-Forwards: 9
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:08:18 UA --> CM # Done # media not exist # SID: 5459020672938313812
    18:08:23 CM --> UA # OnChangeMedia # Media exist # OID: 172650 # SID: 5459020672938313812
    18:08:23 Try to send SIP message # (11/04/2010 23:08:23:632 GMT) # UDP # 838 bytes # buff size 0 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    INVITE sip:208.77.200.13:5060;transport=UDP SIP/2.0
    Via: SIP/2.0/UDP 24.155.238.18:5060;rport;branch=z9hG4bKEPSVBUS61c5 d056-22db-44d2-a4a6-07cbfa17d8d2
    To: <sip:208.77.200.13>;tag=SDp4a1c01-1359105624-1271027297791-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568493c6e0da6-3cf0-45e3-8682-33d0cd0f73de
    CSeq: 876 INVITE
    Call-ID: SDp4a1c01-5405a65f997df6a31fdc26124aff048e-vrvvfv3
    Contact: "demo trunk" <sip:2147052058@24.155.238.18:5060>
    Content-Type: application/sdp
    User-Agent: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Max-Forwards: 70
    Content-Length: 212

    v=0
    o=- 988 254 IN IP4 24.155.238.18
    s=-
    c=IN IP4 24.155.238.18
    t=0 0
    m=image 6074 udptl t38
    a=T38FaxVersion:0
    a=T38MaxBitRate:14400
    a=T38FaxRateManagement:transferredTCF
    a=T38FaxUdpEC:t38UDPRedundancy
    ***************************** SIP message buffer end ******************************

    18:08:23 Receive SIP message # (11/04/2010 23:08:23:696 GMT) # UDP # 542 bytes # buff size 1 # from: 208.77.200.13:5060 # to: 24.155.238.18:5060

    ***************************** SIP message buffer start *****************************
    SIP/2.0 401 Unauthorized
    Via: SIP/2.0/UDP 24.155.238.18:5060;branch=z9hG4bKEPSVBUS61c5d056-22db-44d2-a4a6-07cbfa17d8d2;rport=5060
    To: <sip:208.77.200.13>;tag=SDp4a1c01-1359105624-1271027297791-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568493c6e0da6-3cf0-45e3-8682-33d0cd0f73de
    CSeq: 876 INVITE
    Call-ID: SDp4a1c01-5405a65f997df6a31fdc26124aff048e-vrvvfv3
    WWW-Authenticate: DIGEST qop="auth",nonce="BroadWorksXg7wgu8teTdg0oyzBW",al gorithm=MD5,realm="elinkdashboard.com"
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:08:23 Got 401 response, try to authenticate message # OID: 172650 # SID: 5459020672938313812
    18:08:23 Try to send SIP message # (11/04/2010 23:08:23:710 GMT) # UDP # 528 bytes # buff size 1 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    ACK sip:208.77.200.13:5060;transport=UDP SIP/2.0
    Via: SIP/2.0/UDP 24.155.238.18:5060;rport;branch=z9hG4bKEPSVBUS61c5 d056-22db-44d2-a4a6-07cbfa17d8d2
    To: <sip:208.77.200.13>;tag=SDp4a1c01-1359105624-1271027297791-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568493c6e0da6-3cf0-45e3-8682-33d0cd0f73de
    CSeq: 876 ACK
    Call-ID: SDp4a1c01-5405a65f997df6a31fdc26124aff048e-vrvvfv3
    User-Agent: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Max-Forwards: 70
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:08:23 Try to send SIP message # (11/04/2010 23:08:23:721 GMT) # UDP # 1087 bytes # buff size 0 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    INVITE sip:208.77.200.13:5060;transport=UDP SIP/2.0
    Via: SIP/2.0/UDP 24.155.238.18:5060;rport;branch=z9hG4bKEPSVBUS979d 9887-4cf9-4faf-9fc3-a14cb874de5b
    To: <sip:208.77.200.13>;tag=SDp4a1c01-1359105624-1271027297791-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568493c6e0da6-3cf0-45e3-8682-33d0cd0f73de
    CSeq: 877 INVITE
    Call-ID: SDp4a1c01-5405a65f997df6a31fdc26124aff048e-vrvvfv3
    Contact: "demo trunk" <sip:2147052058@24.155.238.18:5060>
    Content-Type: application/sdp
    User-Agent: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Max-Forwards: 70
    Authorization: DIGEST realm="elinkdashboard.com",nonce="BroadWorksXg7wgu 8teTdg0oyzBW",username="2147052058",uri="sip:208.7 7.200.13:5060;transport=UDP",algorithm=MD5,qop=aut h,cnonce="1593f31c",nc=00000001,response="326d8249 8cc6f620881aa1361ee9f923"
    Content-Length: 212

    v=0
    o=- 988 254 IN IP4 24.155.238.18
    s=-
    c=IN IP4 24.155.238.18
    t=0 0
    m=image 6074 udptl t38
    a=T38FaxVersion:0
    a=T38MaxBitRate:14400
    a=T38FaxRateManagement:transferredTCF
    a=T38FaxUdpEC:t38UDPRedundancy
    ***************************** SIP message buffer end ******************************

    18:08:23 Receive SIP message # (11/04/2010 23:08:23:784 GMT) # UDP # 542 bytes # buff size 1 # from: 208.77.200.13:5060 # to: 24.155.238.18:5060

    ***************************** SIP message buffer start *****************************
    SIP/2.0 401 Unauthorized
    Via: SIP/2.0/UDP 24.155.238.18:5060;branch=z9hG4bKEPSVBUS979d9887-4cf9-4faf-9fc3-a14cb874de5b;rport=5060
    To: <sip:208.77.200.13>;tag=SDp4a1c01-1359105624-1271027297791-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568493c6e0da6-3cf0-45e3-8682-33d0cd0f73de
    CSeq: 877 INVITE
    Call-ID: SDp4a1c01-5405a65f997df6a31fdc26124aff048e-vrvvfv3
    WWW-Authenticate: DIGEST qop="auth",nonce="BroadWorksXg7wgu8vvTu0ydjiBW",al gorithm=MD5,realm="elinkdashboard.com"
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:08:23 Got 401 response, try to authenticate message # OID: 172650 # SID: 5459020672938313812
    18:08:23 UA --> CM # CloseCall # reason: Authorization # SID: 5459020672938313812
    18:08:23 UA --> CM # CloseCall # reason: Authorization # SID: 5459020672938313812
    18:08:23 CM --> UA # OnCloseCall # OID: 172650 # SID: 5459020672938313812
    18:08:23 Try to send SIP message # (11/04/2010 23:08:23:850 GMT) # UDP # 528 bytes # buff size 1 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    ACK sip:208.77.200.13:5060;transport=UDP SIP/2.0
    Via: SIP/2.0/UDP 24.155.238.18:5060;rport;branch=z9hG4bKEPSVBUS979d 9887-4cf9-4faf-9fc3-a14cb874de5b
    To: <sip:208.77.200.13>;tag=SDp4a1c01-1359105624-1271027297791-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568493c6e0da6-3cf0-45e3-8682-33d0cd0f73de
    CSeq: 877 ACK
    Call-ID: SDp4a1c01-5405a65f997df6a31fdc26124aff048e-vrvvfv3
    User-Agent: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Max-Forwards: 70
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:08:23 Try to send SIP message # (11/04/2010 23:08:23:871 GMT) # UDP # 528 bytes # buff size 0 # from: 24.155.238.18:5060 # to: 208.77.200.13:5060

    ***************************** SIP message buffer start *****************************
    BYE sip:208.77.200.13:5060;transport=UDP SIP/2.0
    Via: SIP/2.0/UDP 24.155.238.18:5060;rport;branch=z9hG4bKEPSVBUS26a2 3205-d8b2-4595-87fe-5a518b16b6c3
    To: <sip:208.77.200.13>;tag=SDp4a1c01-1359105624-1271027297791-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568493c6e0da6-3cf0-45e3-8682-33d0cd0f73de
    CSeq: 878 BYE
    Call-ID: SDp4a1c01-5405a65f997df6a31fdc26124aff048e-vrvvfv3
    User-Agent: Epygi Quadro SIP User Agent/v5.1.6 (QUADRO-FXO-IPPBX)
    Max-Forwards: 70
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:08:23 Receive SIP message # (11/04/2010 23:08:23:929 GMT) # UDP # 414 bytes # buff size 1 # from: 208.77.200.13:5060 # to: 24.155.238.18:5060

    ***************************** SIP message buffer start *****************************
    SIP/2.0 200 OK
    Via: SIP/2.0/UDP 24.155.238.18:5060;branch=z9hG4bKEPSVBUS26a23205-d8b2-4595-87fe-5a518b16b6c3;rport=5060
    To: <sip:208.77.200.13>;tag=SDp4a1c01-1359105624-1271027297791-
    From: "demo trunk" <sip:4692875690@elinkdashboard.com;ssig=ACC-banjcfdj1lb94>;tag=12573568493c6e0da6-3cf0-45e3-8682-33d0cd0f73de
    CSeq: 878 BYE
    Call-ID: SDp4a1c01-5405a65f997df6a31fdc26124aff048e-vrvvfv3
    Content-Length: 0

    ***************************** SIP message buffer end ******************************

    18:26:12 UA --> CM # RequestMedia # For user 100 # SID: 5459025290028471343
    18:26:12 CM --> UA # OnReportError # Error: UserNotFound # SIP error: 0 # OID: 172661 # SID: 5459025290028471343
    18:26:14 Receive SIP message # (11/04/2010 23:26:14:525 GMT) # UDP # 377 bytes # buff size 35 # from: 216.251.144.53:5090 # to: 24.155.238.18:5060
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  2. 04-12-2010, 06:16 AM #2
    Vahan
    Vahan is offline
    Member
    Join Date
    Jun 2007
    Posts
    85

    Default

    Hello,

    There is something wrong with authorization parameters(username="2147052058") or your ITSP(208.77.200.13) does not support T.38 codec at all. ITSP replies with "SIP/2.0 401 Unauthorized " on Quadro change media to T.38 every time.
    Try to disable T.38 on the used extension and leave only "Enable Pass Through FAX".

    Regards.
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  3. 04-12-2010, 03:19 PM #3
    mfarchie
    mfarchie is offline
    Junior Member
    Join Date
    Nov 2008
    Posts
    3

    Default Enable Pass Through FAX

    Thanks for the quick response. I tried this and got the same result. I have a ticket into the ITSP. I will update when I know more.
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