Yealink SIP-T2 SERIES Administrator's Manual page 669

The following table lists pre-defined variable values:
Variable Value
OK
ENTER
SPEAKER
F_TRANSFER
VOLUME_UP
VOLUME_DOWN
MUTE
F_HOLD/HOLD
F_CONFERENCE
Cancel/CANCEL
X
0-9/*/POUND
L1-LX
F1-F4
MSG
HEADSET
RD
UP/DOWN/LEFT/RIGHT
Reboot
AutoP
DNDOn
DNDOff
Configuring Advanced Features
Phone Action
Press the OK/√ key.
Press the Enter soft key.
Press the Speakerphone key (not
applicable to CP860 IP phones).
Transfers a call to another party.
Increase the volume.
Decrease the volume.
Mute a call.
Place an active call on hold.
Press the Conf soft key.
Cancel actions or reject incoming calls or
end a call.
Cancel actions or reject incoming calls or
mute or un-mute calls.
Press the keypad (0-9, * or #).
Press the line keys (for SIP
VP-T49G/SIP-T48G, X=29; for SIP-T46G/T29G,
X=27; for SIP-T42G/T41P , X=15; for SIP-T27P ,
X=21; for SIP-T40P/T23P/T23G, X=3; for
SIP-T21(P) E2, X=2).
Press the soft keys.
Press the MESSAGE key (not applicable to
CP860 IP phones).
Press the HEADSET key (not applicable to
CP860 IP phones).
Press the RD/Redial key.
Press the navigation keys.
Reboot the phone.
Perform auto provisioning.
Activate the DND feature.
Deactivate the DND feature.
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