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Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
1080
Call is established between User B and User C.
User A
Proxy Server
User B
F1. INVITE B
F4. 180 Ringing
F6. 200 OK
F7. ACK
2-way RTP channel established
F9. INVITE B
(
sendonly
)
F12. 200 OK
F13. ACK
F15. INVITE C
F17. 180 Ringing
F19. 200 OK
F21. ACK
F23. REFER
F24. 202 Accepted
User C
F2. INVITE B
F3. 180 Ringing
F5. 200 OK
F8. ACK
F10. INVITE B
(
sendonly
)
F11. 200 OK
F14. ACK
F16. INVITE C
F18. 180 Ringing
F20. 200 OK
F22. ACK
2-way RTP channel established
F25. REFER
F26. 202 Accepted
F31. BYE
F32. BYE
F33. 200 OK
F34. 200 OK
2-way RTP channel established
Step
Action
Description
F1
INVITE—User A to Proxy Server
User A sends an INVITE message to a
proxy server. The INVITE request is an
invitation to User B to participate in a call
session.
In the INVITE request:
The IP address of User B is inserted in
the Request-URI field.
Содержание CP860 SERIES
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Страница 26: ...Administrator s Guide for SIP T2 Series T19 P E2 T4 Series T5 Series CP860 CP920 IP Phones xxvi ...
Страница 51: ...Getting Started 25 For SIP T46G S Desk Mount Method Wall Mount Method Optional ...
Страница 53: ...Getting Started 27 For SIP T42S T41S Desk Mount Method Wall Mount Method Optional ...
Страница 55: ...Getting Started 29 For SIP T23P T23G Desk Mount Method Wall Mount Method Optional ...
Страница 70: ...Administrator s Guide for SIP T2 Series T19 P E2 T4 Series T5 Series CP860 CP920 IP Phones 44 ...
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Страница 1034: ...Administrator s Guide for SIP T2 Series T19 P E2 T4 Series T5 Series CP860 CP920 IP Phones 1008 ...