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Re: [reSIProcate-users] Use of Websockets by User Agent

From: Scott Godin <sgodin@xxxxxxxxxxxxxxx>
Date: Tue, 16 Jun 2015 09:45:07 -0400

Hi Julio,

I see. I agree - it doesn't seem that the WS transport is working correctly for client connections. I personally have never tried it. I've only used server/inbound WS connections. Daniel Pocock helped to bring this transport into the resip stack, so he may have more info on what he's tested before. If you ended up fixing this, we would love to have the contribution to apply to the stack.

Thanks,

Scott

On Fri, Jun 12, 2015 at 2:47 PM, Julio Cesar Esteves Cabezas <jcabezas@xxxxxxxxxxxxx> wrote:

Hi,

    Sorry, I failed to explain it clearly.
    Using as SIP-Proxy the same repro, configured the same way: listening to WebSocket transport on port 10060:

(a) When I register a SIP client running in Firefox using an embedded _javascript_ SIP stack I see in Wireshark this:
No.     Time                    Delta    Source                SrcPort Destination           DstPort Protocol Length FromUser   ToUser     Info
      1 2015-06-12 14:18:31.247 0.000   172.28.60.1           4022    172.28.120.10         10060   TCP      66                           dnox > 10060 [SYN] Seq=0 Win=8192 Len=0 MSS=1460 WS=256 SACK_PERM=1
      2 2015-06-12 14:18:31.247 0.000    172.28.120.10         10060   172.28.60.1           4022    TCP      66                           10060 > dnox [SYN, ACK] Seq=0 Ack=1 Win=8192 Len=0 MSS=1460 WS=256 SACK_PERM=1
      3 2015-06-12 14:18:31.247 0.000    172.28.60.1           4022    172.28.120.10         10060   TCP      54                           dnox > 10060 [ACK] Seq=1 Ack=1 Win=65536 Len=0
      4 2015-06-12 14:18:31.248 0.000    172.28.60.1           4022    172.28.120.10         10060   HTTP     580                          GET / HTTP/1.1
      5 2015-06-12 14:18:31.252 0.004    172.28.120.10         10060   172.28.60.1           4022    HTTP     221                          HTTP/1.1 101 WebSocket Protocol Handshake
      6 2015-06-12 14:18:31.267 0.014    172.28.60.1           4022    172.28.120.10         10060   WebSocket 696                          WebSocket Text [FIN] [MASKED]
      7 2015-06-12 14:18:31.280 0.012    172.28.120.10         10060   172.28.60.1           4022    WebSocket 538                          WebSocket Binary [FIN]
      8 2015-06-12 14:18:31.476 0.195    172.28.60.1           4022    172.28.120.10         10060   TCP      54                           dnox > 10060 [ACK] Seq=1169 Ack=652 Win=65024 Len=0
      9 2015-06-12 14:18:32.443 0.966    172.28.60.1           3935    172.28.120.10         10060   TCP      54                           sdp-portmapper > 10060 [FIN, ACK] Seq=1 Ack=1 Win=256 Len=0
     10 2015-06-12 14:18:32.443 0.000    172.28.120.10         10060   172.28.60.1           3935    TCP      60                           10060 > sdp-portmapper [ACK] Seq=1 Ack=2 Win=256 Len=0
     11 2015-06-12 14:18:32.448 0.005    172.28.120.10         10060   172.28.60.1           3935    TCP      60                           10060 > sdp-portmapper [FIN, ACK] Seq=1 Ack=2 Win=256 Len=0
     12 2015-06-12 14:18:32.448 0.000    172.28.60.1           3935    172.28.120.10         10060   TCP      54                           sdp-portmapper > 10060 [ACK] Seq=2 Ack=2 Win=256 Len=0
     13 2015-06-12 14:20:11.298 98.849   172.28.60.1           4022    172.28.120.10         10060   WebSocket 679                          WebSocket Text [FIN] [MASKED]
     14 2015-06-12 14:20:11.311 0.013    172.28.120.10         10060   172.28.60.1           4022    WebSocket 538                          WebSocket Binary [FIN]
     15 2015-06-12 14:20:11.508 0.196    172.28.60.1           4022    172.28.120.10         10060   TCP      54                           dnox > 10060 [ACK] Seq=1794 Ack=1136 Win=64512 Len=0

     In the packets above the REGISTER is embedded e.g. in packet #6 and its 200 OK is in packet #7 (also in #13 and #14)


(b) When I register my SIP UA using reSIProcate I see in Wireshark this:
No.     Time                    Delta    Source                SrcPort Destination           DstPort Protocol Length FromUser   ToUser     Info
      1 2015-06-12 14:25:35.464 0.000    172.28.60.1           4232    172.28.120.10         10060   TCP      66                           4232 > 10060 [SYN] Seq=0 Win=8192 Len=0 MSS=1460 WS=256 SACK_PERM=1
      2 2015-06-12 14:25:35.466 0.001    172.28.120.10         10060   172.28.60.1           4232    TCP      66                           10060 > 4232 [SYN, ACK] Seq=0 Ack=1 Win=8192 Len=0 MSS=1460 WS=256 SACK_PERM=1
      3 2015-06-12 14:25:35.466 0.000    172.28.60.1           4232    172.28.120.10         10060   TCP      54                           4232 > 10060 [ACK] Seq=1 Ack=1 Win=65536 Len=0
      4 2015-06-12 14:25:35.520 0.054    172.28.60.1           4232    172.28.120.10         10060   SIP      727    9005       9005       Request: REGISTER sip:np |                                      XZtJBrL8dIRHzBnSXSHwUg..
      5 2015-06-12 14:25:35.540 0.020    172.28.120.10         10060   172.28.60.1           4232    TCP      60                           10060 > 4232 [FIN, ACK] Seq=1 Ack=674 Win=65536 Len=0
      6 2015-06-12 14:25:35.540 0.000    172.28.60.1           4232    172.28.120.10         10060   TCP      54                           4232 > 10060 [ACK] Seq=674 Ack=2 Win=65536 Len=0
      7 2015-06-12 14:25:35.574 0.033    172.28.60.1           4232    172.28.120.10         10060   TCP      54                           4232 > 10060 [FIN, ACK] Seq=674 Ack=2 Win=65536 Len=0
      8 2015-06-12 14:25:35.574 0.000    172.28.120.10         10060   172.28.60.1           4232    TCP      60                           10060 > 4232 [ACK] Seq=2 Ack=675 Win=65536 Len=0

    The difference is that my SIP UA using reSIProcate is not making the initial HTTP handshake and upgrade to WebSocket so the REGISTER goes out in plain TCP.
    repro ends the connection as the UAC did not follow the initial HTTP handshake.


    And the repro log corresponding to above is:
INFO | 20150612-142823.859 | repro.exe | REPRO:APP | 740 | ReproRunner.cxx:213 | Starting repro version 1.9...
DEBUG | 20150612-142823.859 | repro.exe | RESIP | 740 | Security.cxx:994 | BaseSecurity::BaseSecurity
INFO | 20150612-142824.140 | repro.exe | REPRO:APP | 740 | ReproRunner.cxx:616 | V4 enabled
INFO | 20150612-142824.140 | repro.exe | RESIP:DNS | 740 | AresDns.cxx:358 | DNS initialization: found 1 name servers
INFO | 20150612-142824.140 | repro.exe | RESIP:DNS | 740 | AresDns.cxx:369 | name server: 127.0.0.1
DEBUG | 20150612-142824.140 | repro.exe | RESIP | 740 | Compression.cxx:44 | COMPRESSION SUPPORT NOT COMPILED IN
DEBUG | 20150612-142824.140 | repro.exe | RESIP | 740 | Compression.cxx:47 | Compression configuration object created; algorithm = 0
DEBUG | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | TransportSelector.cxx:99 | No compression library available
DEBUG | 20150612-142824.140 | repro.exe | REPRO:APP | 740 | ReproRunner.cxx:1372 | Found 0 interface(s) defined in the advanced format
DEBUG | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | InternalTransport.cxx:115 | Creating fd=420 V4/UDP
DEBUG | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | InternalTransport.cxx:123 | Binding to 0.0.0.0
INFO | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | UdpTransport.cxx:54 | Creating UDP transport host= port=5060 ipv4=1
DEBUG | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | UdpTransport.cxx:68 | No compression library available: Transport: [ V4 0.0.0.0:5060 UDP target domain=unspecified mFlowKey=420 ]
DEBUG | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | WinCompat.cxx:190 | WinCompat constructor complete!
DEBUG | 20150612-142824.140 | repro.exe | RESIP | 740 | SipStack.cxx:479 | Adding domain alias: 127.0.0.1:5060
DEBUG | 20150612-142824.140 | repro.exe | RESIP | 740 | SipStack.cxx:479 | Adding domain alias: 127.0.0.1:5060
DEBUG | 20150612-142824.140 | repro.exe | RESIP | 740 | SipStack.cxx:479 | Adding domain alias: 172.28.120.10:5060
DEBUG | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | TransportSelector.cxx:238 | Adding transport: [ V4 0.0.0.0:5060 UDP target domain=unspecified mFlowKey=0 ]
DEBUG | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | ConnectionBase.cxx:71 | ConnectionBase::ConnectionBase, who: [ V4 0.0.0.0:0 UNKNOWN_TRANSPORT target domain=unspecified mFlowKey=0 ] 008A9578
DEBUG | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | ConnectionBase.cxx:84 | No compression library available: 008A9578
INFO | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | Connection.cxx:38 | Connection::Connection: new connection created to who: [ V4 0.0.0.0:0 UNKNOWN_TRANSPORT target domain=unspecified mFlowKey=0 ]
DEBUG | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | ConnectionManager.cxx:34 | ConnectionManager::ConnectionManager() called
DEBUG | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | InternalTransport.cxx:115 | Creating fd=440 V4/TCP
DEBUG | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | InternalTransport.cxx:123 | Binding to 0.0.0.0
INFO | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | TcpTransport.cxx:32 | Creating TCP transport host= port=5060 ipv4=1
DEBUG | 20150612-142824.140 | repro.exe | RESIP | 740 | SipStack.cxx:479 | Adding domain alias: 127.0.0.1:5060
DEBUG | 20150612-142824.140 | repro.exe | RESIP | 740 | SipStack.cxx:479 | Adding domain alias: 127.0.0.1:5060
DEBUG | 20150612-142824.140 | repro.exe | RESIP | 740 | SipStack.cxx:479 | Adding domain alias: 172.28.120.10:5060
DEBUG | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | TransportSelector.cxx:238 | Adding transport: [ V4 0.0.0.0:5060 TCP target domain=unspecified mFlowKey=0 ]
DEBUG | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | ConnectionBase.cxx:71 | ConnectionBase::ConnectionBase, who: [ V4 0.0.0.0:0 UNKNOWN_TRANSPORT target domain=unspecified mFlowKey=0 ] 008A9BE8
DEBUG | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | ConnectionBase.cxx:84 | No compression library available: 008A9BE8
INFO | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | Connection.cxx:38 | Connection::Connection: new connection created to who: [ V4 0.0.0.0:0 UNKNOWN_TRANSPORT target domain=unspecified mFlowKey=0 ]
DEBUG | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | ConnectionManager.cxx:34 | ConnectionManager::ConnectionManager() called
DEBUG | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | InternalTransport.cxx:115 | Creating fd=460 V4/TCP
DEBUG | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | InternalTransport.cxx:123 | Binding to 0.0.0.0
INFO | 20150612-142824.140 | repro.exe | RESIP:TRANSPORT | 740 | WsTransport.cxx:35 | Creating WS transport host= port=10060 ipv4=1
DEBUG | 20150612-142824.156 | repro.exe | RESIP | 740 | SipStack.cxx:479 | Adding domain alias: 127.0.0.1:10060
DEBUG | 20150612-142824.156 | repro.exe | RESIP | 740 | SipStack.cxx:479 | Adding domain alias: 127.0.0.1:10060
DEBUG | 20150612-142824.156 | repro.exe | RESIP | 740 | SipStack.cxx:479 | Adding domain alias: 172.28.120.10:10060
DEBUG | 20150612-142824.156 | repro.exe | RESIP:TRANSPORT | 740 | TransportSelector.cxx:238 | Adding transport: [ V4 0.0.0.0:10060 WS target domain=unspecified mFlowKey=0 ]
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ReproRunner.cxx:520 | Not compiled with plugin DSO support
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | BerkeleyDb.cxx:53 | No BerkeleyDb prefix specified - using default
INFO | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | BerkeleyDb.cxx:61 | Using BerkeleyDb prefixed with ./\repro
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | BerkeleyDb.cxx:138 | About to open Berkeley DB: ./\repro_user.db
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | BerkeleyDb.cxx:166 | Opened Berkeley DB: ./\repro_user.db
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | BerkeleyDb.cxx:138 | About to open Berkeley DB: ./\repro_route.db
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | BerkeleyDb.cxx:166 | Opened Berkeley DB: ./\repro_route.db
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | BerkeleyDb.cxx:138 | About to open Berkeley DB: ./\repro_acl.db
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | BerkeleyDb.cxx:166 | Opened Berkeley DB: ./\repro_acl.db
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | BerkeleyDb.cxx:138 | About to open Berkeley DB: ./\repro_config.db
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | BerkeleyDb.cxx:166 | Opened Berkeley DB: ./\repro_config.db
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | BerkeleyDb.cxx:138 | About to open Berkeley DB: ./\repro_staticreg.db
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | BerkeleyDb.cxx:166 | Opened Berkeley DB: ./\repro_staticreg.db
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | BerkeleyDb.cxx:138 | About to open Berkeley DB: ./\repro_filter.db
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | BerkeleyDb.cxx:166 | Opened Berkeley DB: ./\repro_filter.db
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | BerkeleyDb.cxx:138 | About to open Berkeley DB: ./\repro_silo.db
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | BerkeleyDb.cxx:166 | Opened Berkeley DB: ./\repro_silo.db
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | BerkeleyDb.cxx:182 | About to open secondary Berkeley DB: ./\repro_silo_idx1.db
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | BerkeleyDb.cxx:209 | Opened secondary Berkeley DB: ./\repro_silo_idx1.db
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ProcessorChain.cxx:42 | Instantiating new RequestProcessor chain
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ProcessorChain.cxx:59 | Adding new RequestProcessor to chain: StrictRouteFixup
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ProcessorChain.cxx:59 | Adding new RequestProcessor to chain: IsTrustedNode
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ProcessorChain.cxx:59 | Adding new RequestProcessor to chain: AmIResponsible
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ProcessorChain.cxx:59 | Adding new RequestProcessor to chain: RequestFilter
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ProcessorChain.cxx:59 | Adding new RequestProcessor to chain: StaticRoute
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ProcessorChain.cxx:59 | Adding new RequestProcessor to chain: LocationServer
INFO | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ReproRunner.cxx:990 | RequestProcessor chain: [StrictRouteFixup, IsTrustedNode, AmIResponsible, RequestFilter, StaticRoute, LocationServer]
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ProcessorChain.cxx:42 | Instantiating new ResponseProcessor chain
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ProcessorChain.cxx:59 | Adding new ResponseProcessor to chain: OutboundTargetHandler
INFO | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ReproRunner.cxx:1000 | ResponseProcessor chain: [OutboundTargetHandler]
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ProcessorChain.cxx:42 | Instantiating new TargetProcessor chain
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ProcessorChain.cxx:59 | Adding new TargetProcessor to chain: QValueTargetHandler
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ProcessorChain.cxx:59 | Adding new TargetProcessor to chain: SimpleTargetHandler
INFO | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ReproRunner.cxx:1010 | TargetProcessor chain: [QValueTargetHandler, SimpleTargetHandler]
INFO | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ReproRunner.cxx:1302 | Adding domain cliotst from config
INFO | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ReproRunner.cxx:1302 | Adding domain cliotst1 from config
INFO | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ReproRunner.cxx:1302 | Adding domain neopath.com.br from config
INFO | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | ReproRunner.cxx:1302 | Adding domain np from config
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | HttpBase.cxx:78 | Creating fd=860 V4/
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | HttpBase.cxx:108 | Binding to 0.0.0.0
INFO | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | WebAdmin.cxx:107 | Trying to load web admin users from: users.txt
INFO | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | WebAdmin.cxx:192 | Processed 1 user(s) from 1 line(s) in users.txt
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | XmlRpcServerBase.cxx:48 | XmlRpcServerBase::XmlRpcServerBase: Creating fd=904 V4/
DEBUG | 20150612-142824.156 | repro.exe | REPRO:APP | 740 | XmlRpcServerBase.cxx:80 | XmlRpcServerBase::XmlRpcServerBase: Binding to 0.0.0.0
INFO | 20150612-142824.156 | repro.exe | REPRO:APP | 3192 | Proxy.cxx:157 | Proxy::thread start
DEBUG | 20150612-142845.968 | repro.exe | RESIP:TRANSPORT | 588 | TcpBaseTransport.cxx:170 | Received TCP connection from: [ V4 172.28.60.1:4317 WS target domain=unspecified mFlowKey=0 ] as fd=1032
DEBUG | 20150612-142845.968 | repro.exe | RESIP:TRANSPORT | 588 | ConnectionManager.cxx:93 | Could not find a connection for [ V4 172.28.60.1:4317 WS target domain=unspecified mFlowKey=0 ]
DEBUG | 20150612-142845.968 | repro.exe | RESIP:TRANSPORT | 588 | ConnectionBase.cxx:71 | ConnectionBase::ConnectionBase, who: [ V4 172.28.60.1:4317 WS target domain=unspecified mFlowKey=0 ] 03076168
DEBUG | 20150612-142845.968 | repro.exe | RESIP:TRANSPORT | 588 | ConnectionBase.cxx:84 | No compression library available: 03076168
INFO | 20150612-142845.968 | repro.exe | RESIP:TRANSPORT | 588 | Connection.cxx:38 | Connection::Connection: new connection created to who: [ V4 172.28.60.1:4317 WS target domain=unspecified mFlowKey=1032 ]
DEBUG | 20150612-142845.968 | repro.exe | RESIP:TRANSPORT | 588 | TcpConnection.cxx:18 | Creating TCP connection [ V4 172.28.60.1:4317 WS target domain=unspecified mFlowKey=0 ] on 1032
DEBUG | 20150612-142845.968 | repro.exe | RESIP:TRANSPORT | 588 | WsConnection.cxx:17 | Creating WS connection [ V4 172.28.60.1:4317 WS target domain=unspecified mFlowKey=0 ] on 1032
DEBUG | 20150612-142846.015 | repro.exe | RESIP:TRANSPORT | 588 | ConnectionBase.cxx:1011 | Creating buffer for CONN_BASE: 03076168 [ V4 172.28.60.1:4317 WS target domain=unspecified mFlowKey=1032 ]
ERR | 20150612-142846.015 | repro.exe | RESIP:TRANSPORT | 588 | ConnectionBase.cxx:752 | No SecWebSocketKey header
ERR | 20150612-142846.015 | repro.exe | RESIP:TRANSPORT | 588 | ConnectionBase.cxx:676 | Failed to parse WebSocket initialization request
DEBUG | 20150612-142846.031 | repro.exe | RESIP:TRANSPORT | 588 | Connection.cxx:392 | Closing connection bytesRead=-1
DEBUG | 20150612-142846.031 | repro.exe | RESIP:TRANSPORT | 588 | ConnectionBase.cxx:114 | ConnectionBase::~ConnectionBase 03076168
INFO | 20150612-142846.031 | repro.exe | RESIP:TRANSACTION | 2600 | TuSelector.cxx:102 | Sending ConnectionTerminated [ V4 172.28.60.1:4317 WS target domain=unspecified mFlowKey=1032 ] to TUs
DEBUG | 20150612-142846.031 | repro.exe | RESIP:DUM | 1860 | DialogUsageManager.cxx:1451 | connection terminated message

    I must be missing some initial setup in my reSIProcate UA.

Thanks and Best Regards.

From: slgodin@xxxxxxxxx [mailto:slgodin@xxxxxxxxx] On Behalf Of Scott Godin
Sent: Friday, June 12, 2015 12:30 PM
To: Julio Cabezas
Cc: resiprocate-users@xxxxxxxxxxxxxxx
Subject: Re: [reSIProcate-users] Use of Websockets by User Agent

You should know that the WS transport is implemented on top of the TcpBaseTransport and TcpConnection in resip. So if you are seeing logs that show TCP then that's why - it doesn't mean its not using WS. All I can see from these logs is that the server is terminating the connection. Did you look in the repro logs to see what is happening there?

INFO | 20150611-192909.941 | EasyUA SIP client | RESIP:TRANSPORT | 11564 | TcpConnection.cxx:72 | Connection closed by remote CONN: 0049B2A0 624 [ V4 172.28.120.10:10060 WS target domain=172.28.120.10
mFlowKey=624 ]
DEBUG | 20150611-192909.954 | EasyUA SIP client | RESIP:TRANSPORT | 11564 | Connection.cxx:392 | Closing connection bytesRead=-1
DEBUG | 20150611-192909.960 | EasyUA SIP client | RESIP:TRANSPORT | 11564 | ConnectionBase.cxx:114 | ConnectionBase::~ConnectionBase 0049B2A0

Scott

On Thu, Jun 11, 2015 at 6:48 PM, Julio Cesar Esteves Cabezas <jcabezas@xxxxxxxxxxxxx> wrote:
Hi,

I changed the outbound URI to both:
sip:172.28.120.10:10060;transport=WS
sip:172.28.120.10:10060;transport=ws

The result for both was the same, now the REGISTER is sent to 172.28.120.10:10060, but with TCP transport, not WS.
As a result, the repro ACKnowledges the new TCP connection but immediately FINalizes it, certainly because it's not WS.

Below the corresponding log, with level = STACK.

Many Thanks.

BEGIN OF LOG SNIPPET --------------------------

INFO | 20150611-192906.004 | | RESIP:DNS | 7580 | aresdns.cxx:358 | DNS initialization: found 1 name servers
INFO | 20150611-192906.011 | | RESIP:DNS | 7580 | aresdns.cxx:369 | name server: 172.28.40.40
DEBUG | 20150611-192909.075 | EasyUA SIP client | RESIP:TRANSPORT | 7580 | ConnectionBase.cxx:71 | ConnectionBase::ConnectionBase, who: [ V4 0.0.0.0:0 UNKNOWN_TRANSPORT target domain=unspecified mFlowK
ey=0 ] 00480378
DEBUG | 20150611-192909.090 | EasyUA SIP client | RESIP:TRANSPORT | 7580 | ConnectionBase.cxx:84 | No compression library available: 00480378
INFO | 20150611-192909.097 | EasyUA SIP client | RESIP:TRANSPORT | 7580 | Connection.cxx:38 | Connection::Connection: new connection created to who: [ V4 0.0.0.0:0 UNKNOWN_TRANSPORT target domain=unspe
cified mFlowKey=0 ]
DEBUG | 20150611-192909.109 | EasyUA SIP client | RESIP:TRANSPORT | 7580 | ConnectionManager.cxx:34 | ConnectionManager::ConnectionManager() called
DEBUG | 20150611-192909.117 | EasyUA SIP client | RESIP:TRANSPORT | 7580 | InternalTransport.cxx:115 | Creating fd=532 V4/TCP
DEBUG | 20150611-192909.123 | EasyUA SIP client | RESIP:TRANSPORT | 7580 | InternalTransport.cxx:123 | Binding to 172.28.60.1
INFO | 20150611-192909.131 | EasyUA SIP client | RESIP:TRANSPORT | 7580 | WsTransport.cxx:35 | Creating WS transport host=172.28.60.1 port=5870 ipv4=1
DEBUG | 20150611-192909.141 | EasyUA SIP client | RESIP | 7580 | SipStack.cxx:479 | Adding domain alias: 172.28.60.1:5870
DEBUG | 20150611-192909.147 | EasyUA SIP client | RESIP:TRANSPORT | 7580 | TransportSelector.cxx:238 | Adding transport: [ V4 172.28.60.1:5870 WS target domain=unspecified mFlowKey=0 ]
DEBUG | 20150611-192909.158 | EasyUA SIP client | RESIP:DUM | 7580 | UserProfile.cxx:143 | Adding credential: realm=np user=9005
STACK | 20150611-192909.424 | EasyUA SIP client | RESIP:DUM | 7580 | Handled.cxx:16 | &&&&&& Handled::Handled 1 this(00483890) 0047E5D8
DEBUG | 20150611-192909.434 | EasyUA SIP client | RESIP:DUM | 7580 | BaseCreator.cxx:148 | BaseCreator::makeInitialRequest:

00486770
DEBUG | 20150611-192909.443 | EasyUA SIP client | RESIP:DUM | 7580 | RegistrationCreator.cxx:25 | RegistrationCreator::RegistrationCreator: 00486770
DEBUG | 20150611-192909.451 | EasyUA SIP client | RESIP:DUM | 7580 | DialogSet.cxx:52 | ************* Created DialogSet(UAC) -- muTN19aL6ZRd2vmn01Q12Q..-5322ca2d*************
STACK | 20150611-192909.460 | EasyUA SIP client | RESIP:DUM | 7580 | DialogUsageManager.cxx:522 | ************* Adding DialogSet ***************: muTN19aL6ZRd2vmn01Q12Q..-5322ca2d
STACK | 20150611-192909.469 | EasyUA SIP client | RESIP:DUM | 7580 | DialogUsageManager.cxx:525 | DialogSetMap: [muTN19aL6ZRd2vmn01Q12Q..-5322ca2d -> state=0]
STACK | 20150611-192909.478 | EasyUA SIP client | RESIP:DUM | 7580 | DialogUsageManager.cxx:2270 | Looking for dialogSet: muTN19aL6ZRd2vmn01Q12Q..-5322ca2d in map:
STACK | 20150611-192909.486 | EasyUA SIP client | RESIP:DUM | 7580 | DialogUsageManager.cxx:2271 | DialogSetMap: [muTN19aL6ZRd2vmn01Q12Q..-5322ca2d -> state=0]
DEBUG | 20150611-192909.494 | EasyUA SIP client | RESIP:DUM | 7580 | DialogUsageManager.cxx:983 | SEND:

REGISTER sip:np SIP/2.0
Via: SIP/2.0/ ;branch=z9hG4bK-524287-1---d638452e5c3e7324;rport
Max-Forwards: 70
Contact: <sip:9005>;+sip.instance="<urn:uuid:B6BBD898-F7B1-4C37-3C16-1F97A073837F>";methods="INVITE,ACK,CANCEL,OPTIONS,BYE,NOTIFY,SUBSCRIBE,INFO,MESSAGE"
To: <sip:9005@np>
From: <sip:9005@np>;tag=5322ca2d
Call-ID: muTN19aL6ZRd2vmn01Q12Q..
CSeq: 1 REGISTER
Expires: 600
Accept-Language: en
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, NOTIFY, SUBSCRIBE, INFO, MESSAGE
Supported: timer
User-Agent: Inovax EasyUA 1.0
Content-Length: 0

STACK | 20150611-192909.529 | EasyUA SIP client | RESIP:DUM | 7580 | DialogUsageManager.cxx:2270 | Looking for dialogSet: muTN19aL6ZRd2vmn01Q12Q..-5322ca2d in map:
STACK | 20150611-192909.538 | EasyUA SIP client | RESIP:DUM | 7580 | DialogUsageManager.cxx:2271 | DialogSetMap: [muTN19aL6ZRd2vmn01Q12Q..-5322ca2d -> state=0]
DEBUG | 20150611-192909.548 | EasyUA SIP client | RESIP:DUM | 7580 | DialogId.cxx:50 | DialogId::DialogId: muTN19aL6ZRd2vmn01Q12Q..-5322ca2d-
STACK | 20150611-192909.557 | EasyUA SIP client | RESIP:DUM | 7580 | DialogUsageManager.cxx:2270 | Looking for dialogSet: muTN19aL6ZRd2vmn01Q12Q..-5322ca2d in map:
STACK | 20150611-192909.567 | EasyUA SIP client | RESIP:DUM | 7580 | DialogUsageManager.cxx:2271 | DialogSetMap: [muTN19aL6ZRd2vmn01Q12Q..-5322ca2d -> state=0]
STACK | 20150611-192909.576 | EasyUA SIP client | RESIP:DUM | 7580 | DialogSet.cxx:931 | findDialog: muTN19aL6ZRd2vmn01Q12Q..-5322ca2d- in []
DEBUG | 20150611-192909.584 | EasyUA SIP client | RESIP:DUM | 7580 | DialogUsageManager.cxx:1110 | Using outbound proxy: sip:172.28.120.10:10060;transport=ws;lr -> SipReq: REGISTER np tid=d638452e5c3e
7324 cseq=1 REGISTER contact=9005 / 1 from(tu)
DEBUG | 20150611-192909.598 | EasyUA SIP client | RESIP:DUM | 7580 | DialogUsageManager.cxx:1124 | Sending to express outbound w/o flow tuple
DEBUG | 20150611-192909.606 | EasyUA SIP client | RESIP | 7580 | SipStack.cxx:611 | SEND: SipReq: REGISTER np tid=d638452e5c3e7324 cseq=1 REGISTER contact=9005 / 1 from(tu)
STACK | 20150611-192909.616 | EasyUA SIP client | RESIP:TRANSACTION | 14156 | TransactionState.cxx:168 | No matching transaction for SipReq: REGISTER np tid=d638452e5c3e7324 cseq=1 REGISTER contact=90
05 / 1 from(tu)
STACK | 20150611-192909.628 | EasyUA SIP client | RESIP:TRANSACTION | 14156 | TransactionState.cxx:68 | Creating new TransactionState: tid=d638452e5c3e7324 [ ClientNonInvite/Trying reliable target=[ V4
0.0.0.0:0 UNKNOWN_TRANSPORT target domain=unspecified mFlowKey=0 ]]
STACK | 20150611-192909.643 | EasyUA SIP client | RESIP:TRANSACTION | 14156 | TransactionState.cxx:970 | TransactionState::processClientNonInvite: SipReq: REGISTER np tid=d638452e5c3e7324 cseq=1 REGIS
TER contact=9005 / 1 from(tu)
DEBUG | 20150611-192909.658 | EasyUA SIP client | RESIP:TRANSACTION | 14156 | TimerQueue.cxx:50 | Adding timer: Timer F tid=d638452e5c3e7324 ms=32000
STACK | 20150611-192909.666 | EasyUA SIP client | RESIP:TRANSACTION | 14156 | TransactionState.cxx:2511 | sendToWire with no dns result: tid=d638452e5c3e7324 [ ClientNonInvite/Trying reliable target=[
V4 0.0.0.0:0 UNKNOWN_TRANSPORT target domain=unspecified mFlowKey=0 ]]
DEBUG | 20150611-192909.684 | EasyUA SIP client | RESIP:TRANSPORT | 14156 | TransportSelector.cxx:463 | Looking up dns entries (from route) for sip:172.28.120.10:10060;transport=ws;lr
DEBUG | 20150611-192909.694 | EasyUA SIP client | RESIP:DNS | 14156 | DnsResult.cxx:249 | DnsResult::lookup sip:172.28.120.10:10060;transport=ws;lr
DEBUG | 20150611-192909.702 | EasyUA SIP client | RESIP:DNS | 14156 | DnsResult.cxx:298 | Found immediate result: [ V4 172.28.120.10:10060 WS target domain=172.28.120.10 mFlowKey=0 ]
STACK | 20150611-192909.713 | EasyUA SIP client | RESIP:TRANSACTION | 14156 | TransactionState.cxx:723 | Found matching transaction for Client DnsResultMessage: tid=d638452e5c3e7324 -> tid=d638452e5c3e
7324 [ ClientNonInvite/Trying reliable target=[ V4 0.0.0.0:0 UNKNOWN_TRANSPORT target domain=unspecified mFlowKey=0 ]]
STACK | 20150611-192909.732 | EasyUA SIP client | RESIP:TRANSACTION | 14156 | TransactionState.cxx:970 | TransactionState::processClientNonInvite: Client DnsResultMessage: tid=d638452e5c3e7324
STACK | 20150611-192909.743 | EasyUA SIP client | RESIP:TRANSACTION | 14156 | TransactionState.cxx:2350 | tid=d638452e5c3e7324 [ ClientNonInvite/Trying reliable target=[ V4 0.0.0.0:0 UNKNOWN_TRANSPORT
target domain=unspecified mFlowKey=0 ]] got DNS result: 172.28.120.10 --> [[ V4 172.28.120.10:10060 WS target domain=172.28.120.10 mFlowKey=0 ]]
STACK | 20150611-192909.762 | EasyUA SIP client | RESIP:DNS | 14156 | DnsResult.cxx:228 | Returning next dns entry: [ V4 172.28.120.10:10060 WS target domain=172.28.120.10 mFlowKey=0 ]
DEBUG | 20150611-192909.772 | EasyUA SIP client | RESIP:TRANSPORT | 14156 | TransportSelector.cxx:1178 | Transmitting to [ V4 172.28.120.10:10060 WS target domain=172.28.120.10 mFlowKey=0 ] tlsDomain=
via [ V4 172.28.60.1:5870 WS target domain=unspecified mFlowKey=0 ]

REGISTER sip:np SIP/2.0
Via: SIP/2.0/WS 172.28.60.1:5870;branch=z9hG4bK-524287-1---d638452e5c3e7324;rport
Max-Forwards: 70
Route: <sip:172.28.120.10:10060;transport=ws;lr>
Contact: <sip:9005@172.28.60.1:5870;transport=ws>;+sip.instance="<urn:uuid:B6BBD898-F7B1-4C37-3C16-1F97A073837F>";methods="INVITE,ACK,CANCEL,OPTIONS,BYE,NOTIFY,SUBSCRIBE,INFO,MESSAGE"
To: <sip:9005@np>
From: <sip:9005@np>;tag=5322ca2d
Call-ID: muTN19aL6ZRd2vmn01Q12Q..
CSeq: 1 REGISTER
Expires: 600
Accept-Language: en
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, NOTIFY, SUBSCRIBE, INFO, MESSAGE
Supported: timer
User-Agent: Inovax EasyUA 1.0
Content-Length: 0

sigcomp id=
DEBUG | 20150611-192909.829 | EasyUA SIP client | RESIP:TRANSPORT | 11564 | TcpBaseTransport.cxx:283 | Processing write for [ V4 172.28.120.10:10060 WS target domain=172.28.120.10 mFlowKey=0 ]
DEBUG | 20150611-192909.839 | EasyUA SIP client | RESIP:TRANSPORT | 11564 | ConnectionManager.cxx:93 | Could not find a connection for [ V4 172.28.120.10:10060 WS target domain=172.28.120.10 mFlowKey=0
]
DEBUG | 20150611-192909.852 | EasyUA SIP client | RESIP:TRANSPORT | 11564 | InternalTransport.cxx:115 | Creating fd=624 V4/TCP
DEBUG | 20150611-192909.858 | EasyUA SIP client | RESIP:TRANSPORT | 11564 | TcpBaseTransport.cxx:223 | Opening new connection to [ V4 172.28.120.10:10060 WS target domain=172.28.120.10 mFlowKey=0 ]
DEBUG | 20150611-192909.869 | EasyUA SIP client | RESIP:TRANSPORT | 11564 | ConnectionBase.cxx:71 | ConnectionBase::ConnectionBase, who: [ V4 172.28.120.10:10060 WS target domain=172.28.120.10 mFlowKey
=0 ] 0049B2A0
DEBUG | 20150611-192909.881 | EasyUA SIP client | RESIP:TRANSPORT | 11564 | ConnectionBase.cxx:84 | No compression library available: 0049B2A0
INFO | 20150611-192909.888 | EasyUA SIP client | RESIP:TRANSPORT | 11564 | Connection.cxx:38 | Connection::Connection: new connection created to who: [ V4 172.28.120.10:10060 WS target domain=172.28.12
0.10 mFlowKey=624 ]
DEBUG | 20150611-192909.901 | EasyUA SIP client | RESIP:TRANSPORT | 11564 | TcpConnection.cxx:18 | Creating TCP connection [ V4 172.28.120.10:10060 WS target domain=172.28.120.10 mFlowKey=0 ] on 624
DEBUG | 20150611-192909.911 | EasyUA SIP client | RESIP:TRANSPORT | 11564 | WsConnection.cxx:17 | Creating WS connection [ V4 172.28.120.10:10060 WS target domain=172.28.120.10 mFlowKey=0 ] on 624
DEBUG | 20150611-192909.927 | EasyUA SIP client | RESIP:TRANSPORT | 11564 | ConnectionBase.cxx:1011 | Creating buffer for CONN_BASE: 0049B2A0 [ V4 172.28.120.10:10060 WS target domain=172.28.120.10 mFl
owKey=624 ]
INFO | 20150611-192909.941 | EasyUA SIP client | RESIP:TRANSPORT | 11564 | TcpConnection.cxx:72 | Connection closed by remote CONN: 0049B2A0 624 [ V4 172.28.120.10:10060 WS target domain=172.28.120.10
mFlowKey=624 ]
DEBUG | 20150611-192909.954 | EasyUA SIP client | RESIP:TRANSPORT | 11564 | Connection.cxx:392 | Closing connection bytesRead=-1
DEBUG | 20150611-192909.960 | EasyUA SIP client | RESIP:TRANSPORT | 11564 | ConnectionBase.cxx:114 | ConnectionBase::~ConnectionBase 0049B2A0
INFO | 20150611-192909.968 | EasyUA SIP client | RESIP:TRANSACTION | 14156 | TuSelector.cxx:102 | Sending ConnectionTerminated [ V4 172.28.120.10:10060 WS target domain=172.28.120.10 mFlowKey=624 ] to
TUs
DEBUG | 20150611-192909.979 | EasyUA SIP client | RESIP:DUM | 7580 | DialogUsageManager.cxx:1451 | connection terminated message

END OF LOG SNIPPET ----------------------------

From: slgodin@xxxxxxxxx [mailto:slgodin@xxxxxxxxx] On Behalf Of Scott Godin
Sent: Thursday, June 11, 2015 6:54 PM
To: Julio Cabezas
Cc: resiprocate-users@xxxxxxxxxxxxxxx
Subject: Re: [reSIProcate-users] Use of Websockets by User Agent

The WS logs you show seem to be a subsequent error, so it's difficult to understand what is happening to get it black listed in the first place.

DnsResult.cxx:473 | Numeric result, but this result is currently
blacklisted: [ V4 0.0.0.0:0 UNKNOWN_TRANSPORT target domain=unspec
ified mFlowKey=0 ]

You could try the following outbound uri in order to specify WS use:
sip:172.28.120.10:10060;transport=WS

If it's still not working, then post a log snippet of the initial connection attempt when starting your application. You may also want to up the log level STACK to get more info.

Scott

On Thu, Jun 11, 2015 at 5:15 PM, Julio Cesar Esteves Cabezas <jcabezas@xxxxxxxxxxxxx> wrote:
Hi,

I want an User Agent based on reSIProcate V.1.9.8 to use Websockets (WS
not WSS) as transport.
In the TCP case, registration and calls work OK.
In the WS case, no packets are sent to the repro still in registration
phase.

I am using as SIP-proxy a repro built from V.1.9.8, that is listening to
UDP/TCP on port 5060 and WS on port 10060 in 172.28.120.10. All inside my
LAN. It's running on a Windows Server box.
My UA runs on my WIndows station with IP = 172.28.60.1.

When I use TCP I do:
mStack->addTransport(resip::TCP, 5870, resip::V4, resip::StunEnabled,
"172.28.60.1", "");

mMasterProfile->setOutboundProxy(resip::Uri("sip:172.28.120.10:5060"));

When I use WS I do:
mStack->addTransport(resip::WS, 5870, resip::V4, resip::StunEnabled,
"172.28.60.1", "");

mMasterProfile->setOutboundProxy(resip::Uri("sip:172.28.120.10:10060"));

Below Log snippets when trying registration using WS and using TCP.

What could be the next step ?
Do I need necessarily to set up DNS entries for using WS as transport ?
Why that comparing to UDP/TCP ?

Thanks and Best regards.
Julio Cabezas.

--- Log in Debug Level when using WS ---
DEBUG | 20150611-173932.579 | EasyUA SIP client | RESIP:DUM | 10916 |
DialogId.cxx:50 | DialogId::DialogId: 3Af7A45siXtdIw0PRPLwJA..-971dee61-
DEBUG | 20150611-173932.588 | EasyUA SIP client | RESIP:DUM | 10916 |
DialogUsageManager.cxx:1110 | Using outbound proxy:
sip:172.28.120.10:10060;lr -> SipReq: REGISTER np tid=7a4b10188027d038
cseq=1
REGISTER contact=9005 / 1 from(tu)
DEBUG | 20150611-173932.603 | EasyUA SIP client | RESIP:DUM | 10916 |
DialogUsageManager.cxx:1124 | Sending to express outbound w/o flow tuple
DEBUG | 20150611-173932.613 | EasyUA SIP client | RESIP | 10916 |
SipStack.cxx:611 | SEND: SipReq: REGISTER np tid=7a4b10188027d038 cseq=1
REGISTER contact=9005 / 1 from(tu)
DEBUG | 20150611-173932.624 | EasyUA SIP client | RESIP:TRANSACTION | 11468
| TimerQueue.cxx:50 | Adding timer: Timer F tid=7a4b10188027d038 ms=32000
DEBUG | 20150611-173932.633 | EasyUA SIP client | RESIP:TRANSPORT | 11468 |
TransportSelector.cxx:463 | Looking up dns entries (from route) for
sip:172.28.120.10:10060;lr
DEBUG | 20150611-173932.644 | EasyUA SIP client | RESIP:DNS | 11468 |
DnsResult.cxx:249 | DnsResult::lookup sip:172.28.120.10:10060;lr
DEBUG | 20150611-173932.652 | EasyUA SIP client | RESIP:DNS | 11468 |
DnsResult.cxx:473 | Numeric result, but this result is currently
blacklisted: [ V4 0.0.0.0:0 UNKNOWN_TRANSPORT target domain=unspec
ified mFlowKey=0 ]
DEBUG | 20150611-173932.666 | EasyUA SIP client | RESIP | 11468 |
Helper.cxx:374 | Helper::makeResponse(SipReq: REGISTER np
tid=7a4b10188027d038 cseq=1 REGISTER contact=9005 / 1 from(tu) code=503 reas
on=
INFO | 20150611-173932.680 | EasyUA SIP client | RESIP:TRANSACTION | 11468 |
TransactionState.cxx:2105 | Ran out of dns entries for 172.28.120.10. Send
503
DEBUG | 20150611-173932.690 | EasyUA SIP client | RESIP:TRANSACTION | 11468
| TuSelector.cxx:70 | Send to TU: TU: DialogUsageManager size=0

SIP/2.0 503 No DNS results
Via: SIP/2.0/ ;branch=z9hG4bK-524287-1---7a4b10188027d038;rport
To: <sip:9005@np>;tag=711bfa61
From: <sip:9005@np>;tag=971dee61
Call-ID: 3Af7A45siXtdIw0PRPLwJA..
CSeq: 1 REGISTER
Warning: 399 DSV-1.pdi.inovax.local "No other DNS entries to try (0,0)"
Content-Length: 0

--- Log in Debug Level when using TCP ---

DEBUG | 20150611-174811.283 | EasyUA SIP client | RESIP:DUM | 13436 |
DialogId.cxx:50 | DialogId::DialogId: iooUU7PpuT3nUgz_8_vMig..-7821043c-
DEBUG | 20150611-174811.291 | EasyUA SIP client | RESIP:DUM | 13436 |
DialogUsageManager.cxx:1110 | Using outbound proxy:
sip:172.28.120.10:5060;lr -> SipReq: REGISTER np tid=a0542623bb302f02
cseq=1 R
EGISTER contact=9005 / 1 from(tu)
DEBUG | 20150611-174811.305 | EasyUA SIP client | RESIP:DUM | 13436 |
DialogUsageManager.cxx:1124 | Sending to express outbound w/o flow tuple
DEBUG | 20150611-174811.312 | EasyUA SIP client | RESIP | 13436 |
SipStack.cxx:611 | SEND: SipReq: REGISTER np tid=a0542623bb302f02 cseq=1
REGISTER contact=9005 / 1 from(tu)
DEBUG | 20150611-174811.322 | EasyUA SIP client | RESIP:TRANSACTION | 1884 |
TimerQueue.cxx:50 | Adding timer: Timer F tid=a0542623bb302f02 ms=32000
DEBUG | 20150611-174811.330 | EasyUA SIP client | RESIP:TRANSPORT | 1884 |
TransportSelector.cxx:463 | Looking up dns entries (from route) for
sip:172.28.120.10:5060;lr
DEBUG | 20150611-174811.339 | EasyUA SIP client | RESIP:DNS | 1884 |
DnsResult.cxx:249 | DnsResult::lookup sip:172.28.120.10:5060;lr
DEBUG | 20150611-174811.346 | EasyUA SIP client | RESIP:DNS | 1884 |
DnsResult.cxx:466 | Numeric result so return immediately: [ V4
172.28.120.10:5060 TCP target domain=172.28.120.10 mFlowKey=0 ]
DEBUG | 20150611-174811.358 | EasyUA SIP client | RESIP:TRANSPORT | 1884 |
TransportSelector.cxx:1178 | Transmitting to [ V4 172.28.120.10:5060 TCP
target domain=172.28.120.10 mFlowKey=0 ] tlsDomain= v
ia [ V4 172.28.60.1:5870 TCP target domain=unspecified mFlowKey=0 ]

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

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Follow-Ups:
- Re: [reSIProcate-users] Use of Websockets by User Agent
  - From: Julio Cesar Esteves Cabezas

References:
- [reSIProcate-users] Use of Websockets by User Agent
  - From: Julio Cesar Esteves Cabezas
- Re: [reSIProcate-users] Use of Websockets by User Agent
  - From: Scott Godin
- Re: [reSIProcate-users] Use of Websockets by User Agent
  - From: Julio Cesar Esteves Cabezas
- Re: [reSIProcate-users] Use of Websockets by User Agent
  - From: Scott Godin
- Re: [reSIProcate-users] Use of Websockets by User Agent
  - From: Julio Cesar Esteves Cabezas

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