Chapter 15 Voice
Basic Home Station VDSL2 P8802T User’s Guide
227
The following figure shows the SIP and session traffic flow between the user
agents (UA 1 and UA 2) and the proxy servers (this example shows two proxy
servers, PROXY 1 and PROXY 2).
Figure 98
SIP Call Through Proxy Servers
The following table shows the SIP call progression.
1
User Agent 1 sends a SIP INVITE request to Proxy 1. This message is an
invitation to User Agent 2 to participate in a SIP telephone call. Proxy 1 sends a
response indicating that it is trying to complete the request.
Table 81
SIP Call Progression
UA 1
PROXY 1
PROXY 2
UA 2
Invite
Invite
100 Trying
Invite
100 Trying
180
Ringing
180
Ringing
180
Ringing
200 OK
200 OK
200 OK
ACK
RTP
RTP
BYE
200 OK
UA 1
UA 2
PROXY 1
PROXY 2
SIP
SIP
SIP
SIP
&
RTP
Summary of Contents for P8802T
Page 10: ...Table of Contents Basic Home Station VDSL2 P8802T User s Guide 10...
Page 11: ...11 PART I User s Guide...
Page 12: ...12...
Page 58: ...Chapter 2 User Setup Guide Basic Home Station VDSL2 P8802T User s Guide 58...
Page 59: ...59 PART II Technical Reference...
Page 60: ...60...
Page 74: ...Chapter 3 Device Info Screens Basic Home Station VDSL2 P8802T User s Guide 74...
Page 120: ...Chapter 6 Network Address Translation NAT Basic Home Station VDSL2 P8802T User s Guide 120...
Page 150: ...Chapter 10 DNS Setup Basic Home Station VDSL2 P8802T User s Guide 150...
Page 160: ...Chapter 11 UPnP Basic Home Station VDSL2 P8802T User s Guide 160...
Page 168: ...Chapter 12 USB Services Basic Home Station VDSL2 P8802T User s Guide 168...
Page 200: ...Chapter 14 Wireless Basic Home Station VDSL2 P8802T User s Guide 200...
Page 204: ...Chapter 15 Voice Basic Home Station VDSL2 P8802T User s Guide 204...
Page 240: ...Chapter 16 Diagnostic Basic Home Station VDSL2 P8802T User s Guide 240...
Page 244: ...Chapter 17 Settings Basic Home Station VDSL2 P8802T User s Guide 244...
Page 248: ...Chapter 18 Log Basic Home Station VDSL2 P8802T User s Guide 248...
Page 252: ...Chapter 19 TR 069 Client Basic Home Station VDSL2 P8802T User s Guide 252...
Page 254: ...Chapter 20 Internet Time Basic Home Station VDSL2 P8802T User s Guide 254...
Page 256: ...Chapter 21 Access Control Basic Home Station VDSL2 P8802T User s Guide 256...
Page 260: ...Chapter 23 Reboot Basic Home Station VDSL2 P8802T User s Guide 260...
Page 268: ...Chapter 24 Troubleshooting Basic Home Station VDSL2 P8802T User s Guide 268...
Page 272: ...Appendix A Legal Information Basic Home Station VDSL2 P8802T User s Guide 272...