Yealink SIP-T54S Administrator's Manual page 955

Configuring Security Features
Parameters Permitted Values Default
Description:
Configures the password for unlocking the phone.
Web User Interface:
Features->Phone Lock->Phone Unlock PIN(0~15 Digit)
Phone User Interface:
Menu->Basic->Change PIN
phone_setting.phone_lock.lock_time_out Integer from 0 to 3600 0
Description:
Configures the maximum time (in seconds) the IP phone can be idle before it is
automatically locked.
The default value is 0 (the phone is locked only by long pressing the pound key or pressing
the phone lock key).
Note: It works only if the value of the parameter "phone_setting.phone_lock.enable" is set
to 1 (Enabled).
Web User Interface:
Features->Phone Lock->Phone Lock Time Out(0~3600s)
Phone User Interface:
Menu->Basic->Phone Lock->Auto Lock
112,911,
phone_setting.emergency.number String within 99 characters
110
Description:
Configures emergency numbers.
Multiple emergency numbers are separated by commas.
For SIP-
T54S/T52S/T46G/T46S/T42G/T42S/T41P/T41S/T40P/T40G/T29G/T27P/T27G/T23P/T2
3G/T21(P) E2/T19(P) E2/CP860/CP920:
If the value of the parameter "phone_setting.phone_lock.enable" is set to 1 (Enabled) and
"phone_setting.phone_lock.lock_key_type" is set to 0 (All Keys), you are only allowed to dial
emergency numbers configured by "phone_setting.emergency.number".
For SIP-T48G/S:
If the value of the parameter "phone_setting.phone_lock.enable" is set to 1 (Enabled), you
are only allowed to dial emergency numbers configured by
"phone_setting.emergency.number".
Web User Interface:
929