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Chapter 16 VoIP
P-2601HN(L)-F1 Series User’s Guide
195
3
Client device A then sends the call invitation to client device C.
Figure 92
SIP Redirect Server
SIP Register Server
A SIP register server maintains a database of SIP identity-to-IP address (or
domain name) mapping. The register server checks your user name and password
when you register.
RTP
When you make a VoIP call using SIP, the RTP (Real time Transport Protocol) is
used to handle voice data transfer. See RFC 3550 for details on RTP.
Pulse Code Modulation
Pulse Code Modulation (PCM) measures analog signal amplitudes at regular time
intervals and converts them into bits.
SIP Call Progression
The following figure displays the basic steps in the setup and tear down of a SIP
call. A calls B.
Table 56
SIP Call Progression
A
B
1. INVITE
2. Ringing
3. OK
4. ACK
1
2
3
A
B
C
Содержание P-2601HN(L)-F1 Series
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Страница 8: ...Safety Warnings P 2601HN L F1 Series User s Guide 8 ...
Страница 10: ...Contents Overview P 2601HN L F1 Series User s Guide 10 ...
Страница 19: ...19 PART I User s Guide ...
Страница 20: ...20 ...
Страница 59: ...59 PART II Technical Reference ...
Страница 60: ...60 ...
Страница 110: ...Chapter 6 Wireless P 2601HN L F1 Series User s Guide 110 ...
Страница 130: ...Chapter 8 Routing P 2601HN L F1 Series User s Guide 130 ...
Страница 134: ...Chapter 9 DNS Route P 2601HN L F1 Series User s Guide 134 ...
Страница 178: ...Chapter 16 VoIP P 2601HN L F1 Series User s Guide 178 Figure 81 VoIP SIP SIP Service Provider ...
Страница 202: ...Chapter 16 VoIP P 2601HN L F1 Series User s Guide 202 ...
Страница 206: ...Chapter 17 Logs P 2601HN L F1 Series User s Guide 206 ...
Страница 212: ...Chapter 18 System Monitor P 2601HN L F1 Series User s Guide 212 ...
Страница 220: ...Chapter 21 SNMP P 2601HN L F1 Series User s Guide 220 ...
Страница 232: ...Chapter 26 Backup Restore P 2601HN L F1 Series User s Guide 232 ...
Страница 290: ...Appendix B Setting Up Your Computer s IP Address P 2601HN L F1 Series User s Guide 290 ...
Страница 298: ...Appendix C Pop up Windows JavaScript and Java Permissions P 2601HN L F1 Series User s Guide 298 ...
Страница 322: ...Appendix D Wireless LANs P 2601HN L F1 Series User s Guide 322 ...
Страница 332: ...Appendix F Open Software Announcements P 2601HN L F1 Series User s Guide 332 ...
Страница 344: ...Index P 2601HN L F1 Series User s Guide 344 ...