Configures the password of the administrator
for web server access.
The IP phone uses “admin” as the default
administrator password.
Note: IP phones support ASCII characters
32-126(0x20-0x7E) in passwords.
Configures the type of phone lock.
Menu Key: The Menu soft key and MESSAGE
key are locked (For SIP-T20P, the MENU key is
locked).
Function Keys: MESSAGE, RD, CONF, HOLD,
MUTE, TRAN, OK, X, navigation keys, soft keys,
line keys and memory keys are locked (For
SIP-T22P/T21P, CONF, HOLD, MUTE and
memory keys do not exist; For SIP-T20P, the
MUTE key, soft keys and memory keys do not
exist, but the additional MENU and Directory
keys are locked; For SIP-T19P, CONF, HOLD, OK,
X, memory keys and line keys do not exist, but
the additional √ key is locked).
All Keys: All keys are locked except the volume
key. You are only allowed to dial emergency