Yealink SIP-T21 E2

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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Change the unlock PIN.
Configure the IP phone to automatically
lock the phone after a time interval.
Assign a phone lock key.
Details of Configuration Parameters:
Parameters
Permitted Values
Default
phone_setting.phone_lock.enable
0 or 1
0
Description:
Enables or disables the phone lock feature.
0-Disabled
1-Enabled
Web User Interface:
Features->Phone Lock->Phone Lock Enable
Phone User Interface:
Menu->Basic->Phone Lock->Lock Enable
phone_setting.phone_lock.lock_key_type
0, 1 or 2
0
Description:
Configures the type of phone lock.
0-All Keys
1-Function Keys
2-Menu Keys
For more information, refer to Phone Lock Type on page 930.
Note: It is not applicable to SIP-T48G/S IP phones. 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 Type
Phone User Interface:
Menu->Basic->Phone Lock->Lock Type
phone_setting.phone_lock.unlock_pin
Characters within 15 digits
123