Appendices
Sample VoIP Call Logs
B
B-9
Typical SIP Call Log
INVITE sip:5983842@atlas
407 Proxy Authentication
ACK sip:5983842@atlas4.a
INVITE sip:5983842@atlas
// the phone invites the other party
// the gateway acknowledges the number
100 Trying
180 Ringing
180 Ringing
200 OK
SIP RTP port 12436
ACK sip:17195983842@216.
Call Setup:213ms
// the gateway tries connecting
// the far end is ringing
// we have a connection
// the RTP port number to be used
// the call setup time
RTP streaming...
129.196.196.202:10106
VLAN:untag TOS:0xb8
216.115.023.031:12436
VLAN:untag TOS:0x0
BYE sip:17195983842@216.
// the conversation has started
// phone 1 IP address and port number
// phone 1 VLAN and TOS being used
// phone 2 IP address and port number
// phone 2 VLAN and TOS being used
// the phone goes back on hook
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