These are the log files generated in oversip and kamailio.
==================================
OVERSIPS
==================================
Jul 29 17:29:45 ubuntu8911597 oversip[2579]: DEBUG: <WsFraming> sending keep-alive ping frame
Jul 29 17:29:45 ubuntu8911597 oversip[2579]: DEBUG: <WsFraming> received pong frame: payload_length=10
Jul 29 17:30:08 ubuntu8911597 oversip[2579]: DEBUG: <WsFraming> sending keep-alive ping frame
Jul 29 17:30:08 ubuntu8911597 oversip[2579]: DEBUG: <WsFraming> received pong frame: payload_length=10
Jul 29 17:30:50 ubuntu8911597 oversip[2579]: DEBUG: <SIP WS IPv4 server> connection opened from 89.1.250.120:58058 Jul 29 17:30:50 ubuntu8911597 oversip[2579]: DEBUG: <SIP WS IPv4 server> running OverSIP::WebSocketEvents.on_connection()...
Jul 29 17:30:50 ubuntu8911597 oversip[2579]: NOTICE: <WebSocketEvents> on_connection() method is not defined
Jul 29 17:30:50 ubuntu8911597 oversip[2579]: DEBUG: <HTTP WS Request> replying 101 "Switching Protocols"
Jul 29 17:30:50 ubuntu8911597 oversip[2579]: DEBUG: <WsFraming> received text frame: FIN=true, RSV1-3=false/false/false, payload_length=577
Jul 29 17:30:50 ubuntu8911597 oversip[2579]: DEBUG: <WsSipApp> received WS message: type=text, length=577
Jul 29 17:30:50 ubuntu8911597 oversip[2579]: INFO: <SipEvents> [user] REGISTER from sip:80...@89.1.14.102 (UA: IM-client/OMA1.0 sipML5-v1.2013.07.17) to sip:89.1.14.102 via WS 89.1.250.120 : 58058 Jul 29 17:30:50 ubuntu8911597 oversip[2579]: DEBUG: <SIP Request hFuUTmum8pMFQwo7AuCqOCHdz7TPsbVi> applying outgoing Outbound support
Jul 29 17:30:50 ubuntu8911597 oversip[2579]: DEBUG: <OutboundMangling module> performing Contact mangling (adding ;ov-ob Outbound param) for SIP Request hFuUTmum8pMFQwo7AuCqOCHdz7TPsbVi
Jul 29 17:30:50 ubuntu8911597 oversip[2579]: DEBUG: <Proxy proxy_out hFuUTmum8pMFQwo7AuCqOCHdz7TPsbVi> trying single target: udp:89.1.14.102:5060 Jul 29 17:30:50 ubuntu8911597 oversip[2579]: DEBUG: <Proxy proxy_out hFuUTmum8pMFQwo7AuCqOCHdz7TPsbVi> received response 200
Jul 29 17:30:50 ubuntu8911597 oversip[2579]: DEBUG: <OutboundMangling module> reverting original Contact value (removing ;ov-ob Outbound param) for response
Jul 29 17:30:50 ubuntu8911597 oversip[2579]: DEBUG: <UserAssertion module> user sip:80...@89.1.14.102 asserted to connection Jul 29 17:30:50 ubuntu8911597 oversip[2579]: DEBUG: <SIP Request hFuUTmum8pMFQwo7AuCqOCHdz7TPsbVi> forwarding response 200 "OK"
Jul 29 17:30:50 ubuntu8911597 oversip[2579]: DEBUG: <WsFraming> sending text frame: payload_length=465
Jul 29 17:30:55 ubuntu8911597 oversip[2579]: DEBUG: <NICT b9feaa6b12dc04148f96c097828a41c93a0cc99c> timer K expires, transaction terminated
Jul 29 17:31:06 ubuntu8911597 oversip[2579]: DEBUG: <WsFraming> received text frame: FIN=true, RSV1-3=false/false/false, payload_length=3282
Jul 29 17:31:06 ubuntu8911597 oversip[2579]: DEBUG: <WsSipApp> received WS message: type=text, length=3282
Jul 29 17:31:06 ubuntu8911597 oversip[2579]: DEBUG: <SIP Request ZCawWpMAlVbaEeBS6IshcKNwiE7FhUBU> applying outgoing Outbound support
Jul 29 17:31:06 ubuntu8911597 oversip[2579]: DEBUG: <UserAssertion module> user asserted, adding P-Asserted-Identity for SIP Request ZCawWpMAlVbaEeBS6IshcKNwiE7FhUBU
Jul 29 17:31:06 ubuntu8911597 oversip[2579]: DEBUG: <SIP Request ZCawWpMAlVbaEeBS6IshcKNwiE7FhUBU> replying 100 "Trying"
Jul 29 17:31:06 ubuntu8911597 oversip[2579]: DEBUG: <WsFraming> sending text frame: payload_length=314
Jul 29 17:31:06 ubuntu8911597 oversip[2579]: DEBUG: <Proxy proxy_out ZCawWpMAlVbaEeBS6IshcKNwiE7FhUBU> trying single target: udp:89.1.14.102:5060 Jul 29 17:31:06 ubuntu8911597 oversip[2579]: DEBUG: <ICT 7a9202183b36a3123cd28a03c909a65aa45dec77> sending ACK for [3456]XX response
Jul 29 17:31:06 ubuntu8911597 oversip[2579]: DEBUG: <Proxy proxy_out ZCawWpMAlVbaEeBS6IshcKNwiE7FhUBU> received response 404
Jul 29 17:31:06 ubuntu8911597 oversip[2579]: INFO: <SipEvents> [user] on_failure_response: 404 'Not Found'
Jul 29 17:31:06 ubuntu8911597 oversip[2579]: DEBUG: <SIP Request ZCawWpMAlVbaEeBS6IshcKNwiE7FhUBU> forwarding response 404 "Not Found"
Jul 29 17:31:06 ubuntu8911597 oversip[2579]: DEBUG: <WsFraming> sending text frame: payload_length=377
Jul 29 17:31:06 ubuntu8911597 oversip[2579]: DEBUG: <WsFraming> received text frame: FIN=true, RSV1-3=false/false/false, payload_length=363
Jul 29 17:31:06 ubuntu8911597 oversip[2579]: DEBUG: <WsSipApp> received WS message: type=text, length=363
Jul 29 17:31:06 ubuntu8911597 oversip[2579]: DEBUG: <IST ZCawWpMAlVbaEeBS6IshcKNwiE7FhUBU> ACK received during completed state, now confirmed
Jul 29 17:31:13 ubuntu8911597 oversip[2579]: DEBUG: <SIP WS IPv4 server> connection opened from 89.1.250.120:58064 Jul 29 17:31:13 ubuntu8911597 oversip[2579]: DEBUG: <SIP WS IPv4 server> running OverSIP::WebSocketEvents.on_connection()...
Jul 29 17:31:13 ubuntu8911597 oversip[2579]: NOTICE: <WebSocketEvents> on_connection() method is not defined
Jul 29 17:31:13 ubuntu8911597 oversip[2579]: DEBUG: <HTTP WS Request> replying 101 "Switching Protocols"
Jul 29 17:31:13 ubuntu8911597 oversip[2579]: DEBUG: <WsFraming> received text frame: FIN=true, RSV1-3=false/false/false, payload_length=578
Jul 29 17:31:13 ubuntu8911597 oversip[2579]: DEBUG: <WsSipApp> received WS message: type=text, length=578
Jul 29 17:31:13 ubuntu8911597 oversip[2579]: INFO: <SipEvents> [user] REGISTER from sip:80...@89.1.14.102 (UA: IM-client/OMA1.0 sipML5-v1.2013.07.17) to sip:89.1.14.102 via WS 89.1.250.120 : 58064 Jul 29 17:31:13 ubuntu8911597 oversip[2579]: DEBUG: <SIP Request ZNWpDfOQTxAoDXkb2aHd4KmMemEorl6C> applying outgoing Outbound support
Jul 29 17:31:13 ubuntu8911597 oversip[2579]: DEBUG: <OutboundMangling module> performing Contact mangling (adding ;ov-ob Outbound param) for SIP Request ZNWpDfOQTxAoDXkb2aHd4KmMemEorl6C
Jul 29 17:31:13 ubuntu8911597 oversip[2579]: DEBUG: <Proxy proxy_out ZNWpDfOQTxAoDXkb2aHd4KmMemEorl6C> trying single target: udp:89.1.14.102:5060 Jul 29 17:31:13 ubuntu8911597 oversip[2579]: DEBUG: <Proxy proxy_out ZNWpDfOQTxAoDXkb2aHd4KmMemEorl6C> received response 200
Jul 29 17:31:13 ubuntu8911597 oversip[2579]: DEBUG: <OutboundMangling module> reverting original Contact value (removing ;ov-ob Outbound param) for response
Jul 29 17:31:13 ubuntu8911597 oversip[2579]: DEBUG: <UserAssertion module> user sip:80...@89.1.14.102 asserted to connection Jul 29 17:31:13 ubuntu8911597 oversip[2579]: DEBUG: <SIP Request ZNWpDfOQTxAoDXkb2aHd4KmMemEorl6C> forwarding response 200 "OK"
Jul 29 17:31:13 ubuntu8911597 oversip[2579]: DEBUG: <WsFraming> sending text frame: payload_length=466
Jul 29 17:31:18 ubuntu8911597 oversip[2579]: DEBUG: <NICT bdcc67dd49719b1fa0b6d443a63e86cc45dce922> timer K expires, transaction terminated
Jul 29 17:31:23 ubuntu8911597 oversip[2579]: DEBUG: <WsFraming> received text frame: FIN=true, RSV1-3=false/false/false, payload_length=1788
Jul 29 17:31:23 ubuntu8911597 oversip[2579]: DEBUG: <WsSipApp> received WS message: type=text, length=1788
Jul 29 17:31:23 ubuntu8911597 oversip[2579]: DEBUG: <SIP Request 21pr3qF8QTiFOVoWVJfU4liywgO36Zu8> applying outgoing Outbound support
Jul 29 17:31:23 ubuntu8911597 oversip[2579]: DEBUG: <UserAssertion module> user asserted, adding P-Asserted-Identity for SIP Request 21pr3qF8QTiFOVoWVJfU4liywgO36Zu8
Jul 29 17:31:23 ubuntu8911597 oversip[2579]: DEBUG: <SIP Request 21pr3qF8QTiFOVoWVJfU4liywgO36Zu8> replying 100 "Trying"
Jul 29 17:31:23 ubuntu8911597 oversip[2579]: DEBUG: <WsFraming> sending text frame: payload_length=314
Jul 29 17:31:23 ubuntu8911597 oversip[2579]: DEBUG: <Proxy proxy_out 21pr3qF8QTiFOVoWVJfU4liywgO36Zu8> trying single target: udp:89.1.14.102:5060 Jul 29 17:31:23 ubuntu8911597 oversip[2579]: DEBUG: <ICT e3125be61d2b0598b30ed1a26f730600f7e692d1> sending ACK for [3456]XX response
Jul 29 17:31:23 ubuntu8911597 oversip[2579]: DEBUG: <Proxy proxy_out 21pr3qF8QTiFOVoWVJfU4liywgO36Zu8> received response 478
Jul 29 17:31:23 ubuntu8911597 oversip[2579]: INFO: <SipEvents> [user] on_failure_response: 478 'Unresolvable destination (478/SL)'
Jul 29 17:31:23 ubuntu8911597 oversip[2579]: DEBUG: <SIP Request 21pr3qF8QTiFOVoWVJfU4liywgO36Zu8> forwarding response 478 "Unresolvable destination (478/SL)"