Yealink SIP-T2 SERIES Administrator's Manual page 864

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
(Enabled) and ―phone_setting.phone_lock.lock_key_type‖ is set to 0 (All Keys), you
can only allow to dial emergency numbers configured by
―phone_setting.emergency.number‖.
For SIP VP-T49G/SIP-T48G:
If the value of the parameter ―phone_setting.phone_lock.enable‖ is set to 1
(Enabled), you can only allow to dial emergency numbers configured by
―phone_setting.emergency.number‖.
Web User Interface:
Features->Phone Lock->Emergency
Phone User Interface:
None
Phone Lock Type
The following table lists the operation behavior when configuring the type of phone
lock:
Allow Behavior: You are allowed to
press the desired Line Key (key type is
line) or the Speakerphone key to enter
the dialing screen.
Keys not Locked: Line keys (key type is
line), digit keys, volume key,
Idle Speakerphone key, off-hook key and
screen on-hook key.
Note: Line key is not applicable to
SIP-T19(P) E2 and CP860 IP phones.
Speakerphone key is not applicable to
CP860 IP phones. Off-hook key and
on-hook key are only applicable to
CP860 IP phones.
Allow Behavior: You are allowed to
answer or reject incoming calls.
Keys not Locked: Answer and Reject
soft key; OK/√, X, HEADSET, volume
Incoming
key, Speakerphone key, off-hook key
call
and on-hook key.
Note: Pressing X key to reject the call
is not applicable to
SIP-T23P/T23G/T21(P) E2/T19(P) E2 and
842
Parameters
All Keys
Permitted Values
Function Keys Menu key
The Menu
key (key
The same as
type is
All Keys.
menu) is
locked.
The Menu
key (key
The same as
type is
All Keys.
menu) is
locked.
Default