Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
846
3.
User A places User B on hold.
User A
Proxy Server
User B
F1. INVITE B
F2. INVITE B
F7. ACK
F8. ACK
F3. 180 Ringing
F6. 200 OK
F5. 200 OK
F4. 180 Ringing
F12. 200 OK
F9. INVITE B (sendonly)
F10. INVITE B (sendonly)
F11. 200 OK
F14. ACK
F13. ACK
No RTP packets being sent
2-way RTP channel established
Содержание Yealink SIP-T42G
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Страница 41: ...Getting Started 21 For SIP T46G Desk Mount Method Wall Mount Method Optional ...
Страница 43: ...Getting Started 23 For SIP T29G T27P Desk Mount Method Wall Mount Method Optional ...
Страница 45: ...Getting Started 25 For SIP T21 P E2 Desk Mount Method Wall Mount Method Optional ...
Страница 677: ...Configuring Advanced Features 657 The IP phone reboots automatically to make settings effective after a period of time ...
Страница 678: ...Administrator s Guide for SIP T2 Series T19 P E2 T4 Series CP860 IP Phones 658 ...
Страница 898: ...Administrator s Guide for SIP T2 Series T19 P E2 T4 Series CP860 IP Phones 878 Web User Interface 44 Wi Fi 117 ...