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4.1.7 Call Waiting
When new call comes during a call (assume using LINE 1), user will hear a hint
tone. If user does nothing, the new call will be ignored. Or user can press
LINE2 to receive the new call (assume the new call is from LINE 2), and then
the previous call will be held. And then press LINE1 to resume the previous call
and the new call becomes to be held.
4.1.8 Call Forward
If call forward function is enabled, the incoming call will be forwarded to the
number as per the configuration. Also refer to section 3.2, item 15 for the setup of
call forward.
4.1.9 Shared Lines Function
When new call comes or user wants to make a new call during a call, the use can
use the Shared Lines function if supported by service provider. While making a
new call or the LCD indicating a new call coming, user can press another line key
(for a new coming call, press the line as LCD indicated). The original call is put on
hold, press the corresponding LINE to Switch between different conversations.
4.1.10 3-way Conference
If the user want to make a conference for three persons, first establish call with A,
press another LINE and dial to B, then press OK to establish the conference
call.
4.1.11 Conference Function
This function needs platform support. First establish call with A, then press
CONF and dial to B, press CONF to have B joined the conference. Repeat
the steps to get other people to join the conference call. Finally press CONF
once more to make yourself join the conference call.
4.1.12 Do Not Disturb (DND)
In idle mode, press DND and the unit will be in Do Not Disturb mode. Press the
key again, it will disable the function. In DND mode the phone will not ring. (The
information received by the call will depend on the platform).
