Administrator’s Guide for SIP-T4X IP Phones
446
6.
User A mixes the RTP channels and establishes a conference between User B and
User C.
F9. INVITE(sendonly)
F10. INVITE (sendonly)
F15. INVITE C
F11. 200 OK
F12. 200 OK
F1. INVITE B
F2. INVITE B
F3. 180 Ringing
F4. 180 Ringing
F5. 200 OK
F6. 200 OK
F7. ACK
F8. ACK
Session1 established between User A and User B is active
F13. ACK
F14. ACK
Session 1 established between User A and User B is hold
F16. INVITE C
F18. 180 Ringing
F17. 180 Ringing
F19. 200 OK
F20. 200 OK
F21. ACK
F22. ACK
Both calls are active, come into three-party conference
User A
Proxy Server
User B
User C
Initiate
three party
conference
Содержание SIP-T4X
Страница 1: ......
Страница 10: ...Administrator s Guide for SIP T4X IP Phones x ...
Страница 16: ...Administrator s Guide for SIP T4X IP Phones xvi Appendix F Sample Configuration File 450 Index 457 ...
Страница 144: ...Administrator s Guide for SIP T4X IP Phones 128 ...
Страница 212: ...Administrator s Guide for SIP T4X IP Phones 196 ...
Страница 224: ...Administrator s Guide for SIP T4X IP Phones 208 ...
Страница 240: ...Administrator s Guide for SIP T4X IP Phones 224 ...
Страница 252: ...Administrator s Guide for SIP T4X IP Phones 236 ...
Страница 263: ...Troubleshooting 247 Factory reset can restore the original password All custom settings will be overwritten after reset ...
Страница 264: ...Administrator s Guide for SIP T4X IP Phones 248 ...
Страница 472: ...Administrator s Guide for SIP T4X IP Phones 456 ...