|Time     | xxx.yyy.zzz.aaa                       | 192.168.1.31                          |
|         |                   | 192.168.1.20      |                   
|245.745  |         INVITE SDP (speexRTPType-98 speexRTPType-97 sp...RTPType-99 i)          |                   |SIP From: "0123456789" <sip:aabbccdd@opensips.org> To:<sip:0123456789@opensips.org
|         |(1054)   ------------------>  (5060)   |                   |
|245.751  |         100 Giving a try              |                   |SIP Status
|         |(5060)   <------------------  (5060)   |                   |
|245.755  |                   |         INVITE SDP (speexRTPType-98 speexRTPType-97 99...Type-99 104R)          |SIP Request
|         |                   |(5060)   ------------------>  (5060)   |
|245.767  |                   |         100 Trying|                   |SIP Status
|         |                   |(5060)   <------------------  (5060)   |
|245.777  |                   |         200 OK SDP (g711A telephone-eventRTPType-96)          |SIP Status
|         |                   |(5060)   <------------------  (5060)   |
|245.824  |         200 OK SDP (g711A telephone-eventRTPType-96)          |                   |SIP Status
|         |(5060)   <------------------  (5060)   |                   |
|245.901  |         ACK       |                   |                   |SIP Request
|         |(5060)   ------------------>  (5060)   |                   |
|246.779  |                   |         200 OK SDP (g711A telephone-eventRTPType-96)          |SIP Status
|         |                   |(5060)   <------------------  (5060)   |
|246.779  |                   |         200 OK SDP (g711A telephone-eventRTPType-96)          |SIP Status
|         |                   |(5060)   <------------------  (5060)   |
|246.792  |         200 OK SDP (g711A telephone-eventRTPType-96)          |                   |SIP Status
|         |(5060)   <------------------  (5060)   |                   |
|246.795  |         200 OK SDP (g711A telephone-eventRTPType-96)          |                   |SIP Status
|         |(5060)   <------------------  (5060)   |                   |
|246.869  |         ACK       |                   |                   |SIP Request
|         |(5060)   ------------------>  (5060)   |                   |
|246.879  |         ACK       |                   |                   |SIP Request
|         |(5060)   ------------------>  (5060)   |                   |
|247.177  |                   |         200 OK SDP (g711A telephone-eventRTPType-96)          |SIP Status
|         |                   |(5060)   <------------------  (5060)   |
|247.184  |         200 OK SDP (g711A telephone-eventRTPType-96)          |                   |SIP Status
|         |(5060)   <------------------  (5060)   |                   |
|247.266  |         ACK       |                   |                   |SIP Request
|         |(5060)   ------------------>  (5060)   |                   |
|247.979  |                   |         200 OK SDP (g711A telephone-eventRTPType-96)          |SIP Status
|         |                   |(5060)   <------------------  (5060)   |
|247.991  |         200 OK SDP (g711A telephone-eventRTPType-96)          |                   |SIP Status
|         |(5060)   <------------------  (5060)   |                   |
|248.069  |         ACK       |                   |                   |SIP Request
|         |(5060)   ------------------>  (5060)   |                   |
|249.578  |                   |         200 OK SDP (g711A telephone-eventRTPType-96)          |SIP Status
|         |                   |(5060)   <------------------  (5060)   |
|249.597  |         200 OK SDP (g711A telephone-eventRTPType-96)          |                   |SIP Status
|         |(5060)   <------------------  (5060)   |                   |
|249.679  |         ACK       |                   |                   |SIP Request
|         |(5060)   ------------------>  (5060)   |                   |
|252.779  |                   |         200 OK SDP (g711A telephone-eventRTPType-96)          |SIP Status
|         |                   |(5060)   <------------------  (5060)   |
|261.806  |         BYE       |                   |                   |SIP Request
|         |(5060)   ------------------>  (5060)   |                   |
|262.239  |         BYE       |                   |                   |SIP Request
|         |(5060)   ------------------>  (5060)   |                   |
|263.229  |         BYE       |                   |                   |SIP Request
|         |(5060)   ------------------>  (5060)   |                   |
|265.228  |         BYE       |                   |                   |SIP Request
|         |(5060)   ------------------>  (5060)   |                   |