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Chapter 10 Voice
P-2612HW Series User’s Guide
212
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 133
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 65
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 P-2612HW-F1 -
Page 2: ......
Page 8: ...Safety Warnings P 2612HW Series User s Guide 8...
Page 10: ...Contents Overview P 2612HW Series User s Guide 10...
Page 22: ...Table of Contents P 2612HW Series User s Guide 22...
Page 24: ...24...
Page 56: ...Chapter 3 Wizards P 2612HW Series User s Guide 56...
Page 88: ...88...
Page 120: ...Chapter 6 WAN Setup P 2612HW Series User s Guide 120...
Page 136: ...Chapter 7 LAN Setup P 2612HW Series User s Guide 136...
Page 168: ...Chapter 8 Wireless LAN P 2612HW Series User s Guide 168...
Page 184: ...Chapter 9 Network Address Translation NAT P 2612HW Series User s Guide 184...
Page 250: ...Chapter 12 Firewall P 2612HW Series User s Guide 250...
Page 290: ...Chapter 14 VPN P 2612HW Series User s Guide 290...
Page 320: ...Chapter 15 Certificates P 2612HW Series User s Guide 320...
Page 324: ...Chapter 16 Static Route P 2612HW Series User s Guide 324...
Page 356: ...Chapter 19 Dynamic DNS Setup P 2612HW Series User s Guide 356...
Page 382: ...Chapter 21 Universal Plug and Play UPnP P 2612HW Series User s Guide 382...
Page 384: ...384...
Page 406: ...Chapter 23 Logs P 2612HW Series User s Guide 406...
Page 458: ...458...
Page 494: ...Appendix B Pop up Windows JavaScripts and Java Permissions P 2612HW Series User s Guide 494...
Page 530: ...Appendix D Wireless LANs P 2612HW Series User s Guide 530...