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Line does not disconnect

Discussion in '3CX Phone System - General' started by jlebeau, Jul 19, 2007.

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  1. jlebeau

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    I am running 3CX with a Grandstream GXW4108 gateway and GXP2000 phones. The issue I am having is that when I make a call to someone outside of the network over the PSTN lines, if they hang up first, my phone never disconnects the line and eventually I get the operator message saying "If you would like to make a call, please hang up and try again."

    I have contacted Grandstream tech support and they are questioning the SIP signalling coming from the 3CX system. I have SYSLOG captures from the gateway and phone, and the red flag I am seeing is that when the PSTN side hangs up, the GXP2000 shows that it receives a SIP message and then has a parse error. Here are the lines from the syslog server:

    2007-07-19 11:55:05 User.Debug 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] SIPReceive(4, Account1):
    2007-07-19 11:55:05 User.Info 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] Received SIP message: parse error
    2007-07-19 11:55:24 User.Info 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] Send SIP message: BYE To 192.168.3.207:5060, sip_handle: 0x004B809A

    The last line is the BYE message it gets when I hang up the GXP2000 after receiving the operator message.

    Any thoughts or help?
     
  2. SY

    SY Well-Known Member
    3CX Support

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    Just show content of all SIP messages, then it will be a conversation :)

    Thanks,
    Stepan
     
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  3. jlebeau

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    Here is the full syslog capture from the GXP2000 during the call where the external phone hangs up first:

    2007-07-19 11:54:34 User.Info 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] Send SIP message: INVITE To 192.168.3.207:5060, sip_handle: 0x004B809A
    2007-07-19 11:54:34 User.Debug 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] sip_len: 907, sip_handle: 0x004B809A, INVITE sip:8555****@192.168.3.207 SIP/2.0 Via: SIP/2.0/UDP 192.168.3.37:5060;branch=z9hG4bK3364365d40122e5a From: "John Doe" <sip:113@192.168.3.207>;tag=3b234a87952ceac5 To: <sip:8555****@192.168.3.207> Contact: <sip:113@192.168.3.37:5060;transport=udp> Supported: replaces, timer, path Call-ID: a3130af242d5d96a@192.168.3.37 CSeq: 60823 INVITE User-Agent: Grandstream GXP2000 1.1.2.23 Max-Forwards: 70 Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESSAGE Content-Type: application/sdp Content-Length: 348 v=0 o=113 8000 8000 IN IP4 192.168.3.37 s=SIP Call c=IN IP4 192.168.3.37 t=0 0 m=audio 5004 RTP/AVP 0 8 4 18 2 99 9 3 a=sendrecv a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000 a=rtpmap:4 G723/8000 a=rtpmap:18 G729/8000 a=rtpmap:2 G726-32/8000 a=rtpmap:99 iLBC/8000 a=fmtp:99 mode=20 a=rtpmap:9 G722/16000 a=rtpmap:3 GSM/8000 a=ptime:20
    2007-07-19 11:54:34 User.Debug 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] SIPReceive(451, Account1): SIP/2.0 407 Proxy Authentication Required Via: SIP/2.0/UDP 192.168.3.37:5060;branch=z9hG4bK3364365d40122e5a Proxy-Authenticate: Digest nonce="12829337674:7f86558a25b395fb53c256aba12abe2c",algorithm=MD5,realm="3CXPhoneSystem" To: <sip:8555****@192.168.3.207>;tag=4c6bdb31 From: "John Doe"<sip:113@192.168.3.207>;tag=3b234a87952ceac5 Call-ID: a3130af242d5d96a@192.168.3.37 CSeq: 60823 INVITE User-Agent: 3CXPhoneSystem Content-Length: 0
    2007-07-19 11:54:34 User.Info 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] Received SIP message: 407
    2007-07-19 11:54:34 User.Debug 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] SIP dialog matched to channel 0
    2007-07-19 11:54:34 User.Info 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] Send SIP message: ACK To 192.168.3.207:5060, sip_handle: 0x004B809A
    2007-07-19 11:54:34 User.Debug 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] sip_len: 520, sip_handle: 0x004B809A, ACK sip:8555****@192.168.3.207 SIP/2.0 Via: SIP/2.0/UDP 192.168.3.37:5060;branch=z9hG4bK3364365d40122e5a From: "John Doe" <sip:113@192.168.3.207>;tag=3b234a87952ceac5 To: <sip:8555****@192.168.3.207>;tag=4c6bdb31 Contact: <sip:113@192.168.3.37:5060;transport=udp> Supported: path Call-ID: a3130af242d5d96a@192.168.3.37 CSeq: 60823 ACK User-Agent: Grandstream GXP2000 1.1.2.23 Max-Forwards: 70 Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESSAGE Content-Length: 0
    2007-07-19 11:54:34 User.Info 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] Send SIP message: INVITE To 192.168.3.207:5060, sip_handle: 0x004B809A
    2007-07-19 11:54:34 User.Debug 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] sip_len: 1123, sip_handle: 0x004B809A, INVITE sip:8555****@192.168.3.207 SIP/2.0 Via: SIP/2.0/UDP 192.168.3.37:5060;branch=z9hG4bK77b875dbf260010e From: "John Doe" <sip:113@192.168.3.207>;tag=3b234a87952ceac5 To: <sip:8555****@192.168.3.207> Contact: <sip:113@192.168.3.37:5060;transport=udp> Supported: replaces, timer, path Proxy-Authorization: Digest username="113", realm="3CXPhoneSystem", algorithm=MD5, uri="sip:8555****@192.168.3.207", nonce="12829337674:7f86558a25b395fb53c256aba12abe2c", response="111a486be02556cc40e2c6f30547105a" Call-ID: a3130af242d5d96a@192.168.3.37 CSeq: 60824 INVITE User-Agent: Grandstream GXP2000 1.1.2.23 Max-Forwards: 70 Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESSAGE Content-Type: application/sdp Content-Length: 348 v=0 o=113 8000 8001 IN IP4 192.168.3.37 s=SIP Call c=IN IP4 192.168.3.37 t=0 0 m=audio 5004 RTP/AVP 0 8 4 18 2 99 9 3 a=sendrecv a=rtpmap:0 PCMU/80...
    2007-07-19 11:54:35 User.Debug 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] SIPReceive(310, Account1): SIP/2.0 100 Trying Via: SIP/2.0/UDP 192.168.3.37:5060;branch=z9hG4bK77b875dbf260010e To: <sip:8555****@192.168.3.207>;tag=34571476 From: "John Doe"<sip:113@192.168.3.207>;tag=3b234a87952ceac5 Call-ID: a3130af242d5d96a@192.168.3.37 CSeq: 60824 INVITE User-Agent: 3CXPhoneSystem Content-Length: 0
    2007-07-19 11:54:35 User.Info 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] Received SIP message: 100
    2007-07-19 11:54:35 User.Debug 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] SIP dialog matched to channel 0
    2007-07-19 11:54:37 User.Debug 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] SIPReceive(353, Account1): SIP/2.0 180 Ringing Via: SIP/2.0/UDP 192.168.3.37:5060;branch=z9hG4bK77b875dbf260010e Contact: <sip:3cxPbx@192.168.3.207:5060> To: <sip:8555****@192.168.3.207>;tag=34571476 From: "John Doe"<sip:113@192.168.3.207>;tag=3b234a87952ceac5 Call-ID: a3130af242d5d96a@192.168.3.37 CSeq: 60824 INVITE User-Agent: 3CXPhoneSystem Content-Length: 0
    2007-07-19 11:54:37 User.Info 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] Received SIP message: 180
    2007-07-19 11:54:37 User.Debug 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] SIP dialog matched to channel 0
    2007-07-19 11:54:37 User.Debug 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] SIPReceive(758, Account1): SIP/2.0 200 OK Via: SIP/2.0/UDP 192.168.3.37:5060;branch=z9hG4bK77b875dbf260010e Contact: <sip:3cxPbx@192.168.3.207:5060> To: <sip:8555****@192.168.3.207>;tag=34571476 From: "John Doe"<sip:113@192.168.3.207>;tag=3b234a87952ceac5 Call-ID: a3130af242d5d96a@192.168.3.37 CSeq: 60824 INVITE Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REGISTER, SUBSCRIBE, NOTIFY, REFER, INFO Content-Type: application/sdp User-Agent: 3CXPhoneSystem Content-Length: 293 v=0 o=3cxPS 12829337674959 12829337674961 IN IP4 192.168.3.207 s=3cxPS Audio call c=IN IP4 192.168.3.207 t=0 0 m=audio 7156 RTP/AVP 0 8 99 3 101 a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000 a=rtpmap:99 iLBC/8000 a=fmtp:99 mode=20 a=rtpmap:3 GSM/8000 a=rtpmap:101 telephone-event/8000
    2007-07-19 11:54:37 User.Info 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] Received SIP message: 200
    2007-07-19 11:54:37 User.Debug 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] SIP dialog matched to channel 0
    2007-07-19 11:54:37 User.Info 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] Session Info: Payload-Type=0, Frames/Packet=2, DTMF=101
    2007-07-19 11:54:37 User.Info 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] Send SIP message: ACK To 192.168.3.207:5060, sip_handle: 0x004B809A
    2007-07-19 11:54:37 User.Debug 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] sip_len: 739, sip_handle: 0x004B809A, ACK sip:3cxPbx@192.168.3.207:5060 SIP/2.0 Via: SIP/2.0/UDP 192.168.3.37:5060;branch=z9hG4bK24f584a27ab9659d From: "John Doe" <sip:113@192.168.3.207>;tag=3b234a87952ceac5 To: <sip:8555****@192.168.3.207>;tag=34571476 Contact: <sip:113@192.168.3.37:5060;transport=udp> Supported: path Proxy-Authorization: Digest username="113", realm="3CXPhoneSystem", algorithm=MD5, uri="sip:8555****@192.168.3.207", nonce="12829337674:7f86558a25b395fb53c256aba12abe2c", response="111a486be02556cc40e2c6f30547105a" Call-ID: a3130af242d5d96a@192.168.3.37 CSeq: 60824 ACK User-Agent: Grandstream GXP2000 1.1.2.23 Max-Forwards: 70 Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESSAGE Content-Length: 0
    2007-07-19 11:54:37 User.Info 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] RTP session starts. Channel: 0 Local RTP port: 5004 Remote RTP endpoint: 192.168.3.207:7156
    2007-07-19 11:55:05 User.Debug 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] SIPReceive(4, Account1):
    2007-07-19 11:55:05 User.Info 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] Received SIP message: parse error
    2007-07-19 11:55:24 User.Info 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] Send SIP message: BYE To 192.168.3.207:5060, sip_handle: 0x004B809A
    2007-07-19 11:55:24 User.Debug 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] sip_len: 690, sip_handle: 0x004B809A, BYE sip:3cxPbx@192.168.3.207:5060 SIP/2.0 Via: SIP/2.0/UDP 192.168.3.37:5060;branch=z9hG4bK5df6bc07b7d69109 From: "John Doe" <sip:113@192.168.3.207>;tag=3b234a87952ceac5 To: <sip:8555****@192.168.3.207>;tag=34571476 Supported: path Proxy-Authorization: Digest username="113", realm="3CXPhoneSystem", algorithm=MD5, uri="sip:3cxPbx@192.168.3.207:5060", nonce="12829337674:7f86558a25b395fb53c256aba12abe2c", response="00bd58c079cd7284bbe73dbb0e36b49a" Call-ID: a3130af242d5d96a@192.168.3.37 CSeq: 60825 BYE User-Agent: Grandstream GXP2000 1.1.2.23 Max-Forwards: 70 Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK,MESSAGE Content-Length: 0
    2007-07-19 11:55:24 User.Debug 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] SIPReceive(345, Account1): SIP/2.0 200 OK Via: SIP/2.0/UDP 192.168.3.37:5060;branch=z9hG4bK5df6bc07b7d69109 Contact: <sip:3cxPbx@192.168.3.207:5060> To: <sip:8555****@192.168.3.207>;tag=34571476 From: "John Doe"<sip:113@192.168.3.207>;tag=3b234a87952ceac5 Call-ID: a3130af242d5d96a@192.168.3.37 CSeq: 60825 BYE User-Agent: 3CXPhoneSystem Content-Length: 0
    2007-07-19 11:55:24 User.Info 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] Received SIP message: 200
    2007-07-19 11:55:24 User.Debug 192.168.3.37 GS_LOG: [00:0B:82:0D:F0:4E][000][FF71][01010217] SIP dialog matched to channel 0
     
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