|Time     | 128.179.67.76     | 212.249.15.4      | 195.129.125.74    | 212.190.89.137    |
|453.121  |         Request: INVITE sip           |                   |                   |SIP/SDP: Request: INVITE sip:+41216939263@212.249.15.4, with session description
|         |(5060)   ------------------>  (5060)   |                   |                   |
|453.126  |         Status: 100 Giving            |                   |                   |SIP: Status: 100 Giving a try
|         |(5060)   <------------------  (5060)   |                   |                   |
|453.126  |                   |                   |         Request: INVITE sip           |SIP/SDP: Request: INVITE sip:+41216939263@212.190.89.137, with session description
|         |                   |                   |(5060)   ------------------>  (5060)   |
|453.166  |                   |                   |         Status: 100 trying            |SIP: Status: 100 trying fast
|         |                   |                   |(5060)   <------------------  (5060)   |
|453.225  |                   |                   |         Status: 100 trying            |SIP: Status: 100 trying -- your call is important to us
|         |                   |                   |(5060)   <------------------  (5060)   |
|454.208  |                   |                   |         Status: 183 Session           |SIP/SDP: Status: 183 Session Progress, with session description
|         |                   |                   |(5060)   <------------------  (5060)   |
|454.208  |         Status: 183 Session           |                   |                   |SIP/SDP: Status: 183 Session Progress, with session description
|         |(5060)   <------------------  (5060)   |                   |                   |
|471.624  |                   |                   |         Status: 200 OK, wit           |SIP/SDP: Status: 200 OK, with session description
|         |                   |                   |(5060)   <------------------  (5060)   |
|471.624  |         Status: 200 OK, wit           |                   |                   |SIP/SDP: Status: 200 OK, with session description
|         |(5060)   <------------------  (5060)   |                   |                   |
|471.647  |         Request: ACK sip:+4           |                   |                   |SIP: Request: ACK sip:+41216939263@146.188.127.1:5060
|         |(5060)   ------------------>  (5060)   |                   |                   |
|471.647  |                   |                   |         Request: ACK sip:+4           |SIP: Request: ACK sip:+41216939263@146.188.127.1:5060
|         |                   |                   |(5060)   ------------------>  (5060)   |
|482.816  |         Request: BYE sip:+4           |                   |                   |SIP: Request: BYE sip:+41216939263@146.188.127.1:5060
|         |(5060)   ------------------>  (5060)   |                   |                   |
|482.817  |                   |                   |         Request: BYE sip:+4           |SIP: Request: BYE sip:+41216939263@146.188.127.1:5060
|         |                   |                   |(5060)   ------------------>  (5060)   |
|482.890  |                   |                   |         Status: 200 OK                |SIP: Status: 200 OK
|         |                   |                   |(5060)   <------------------  (5060)   |
|482.890  |         Status: 200 OK                |                   |                   |SIP: Status: 200 OK
|         |(5060)   <------------------  (5060)   |                   |                   |