TB30s SIP Administrator Guide v1.3
Page 88 of 259
Switch implementation
Requirement
-
[
Switch
] softkey is required to caller parties to switch between caller
during conversation
Below is to list out a flow which shows IP Phone B call to IP phone A in conversation, then
PSTN 1 call to IP phone B. B and PSTN 1 are in conversation. Phone B presses [
Switch
] back to
phone A and start conversation.
Flow descriptions:
Phone A
Phone B, operate in normal SIP protocol
PSTN 1
phone B, call waiting tone is played, same as the call waiting flow above
call
activated
Phone B presses [
Switch
]
to talk back with phone A
(PSTN 1 and Phone B are in conversation)
TB30s (Phone B)
When [
Switch
] is pressed, switching is processed.
Date
Hour
Icons
01 PSTN Call/phone number
Taking Duration
Hold
Switch
Conf
Transf >
Phone B press [Switch] to start switching to other party
INFO: flashhook
PSTN1 is on hold and B stops the call waiting tone
INFO: Tone-type=specialdial, dial-timer=0
Phone send “2” to enable the take the call,
INFO: digit =2
Server
Phone B
INFO
200 OK
INVITE (no SDP)
200 OK (with SDP)
INFO
ACK
200 OK
INFO
200 OK
Содержание TB30
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