Yealink SIP-T21 User Manual
Page 32
User Guide for the SIP-T21P/SIP-T21 IP Phone
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phone until unlocked.
Function Keys: The function keys are locked. You cannot use the MESSAGE, RD,
TRAN, OK, X, navigation keys, soft keys and line keys until
unlocked.
All Keys: All keys are locked except the Volume key. You are only allowed
to dial emergency numbers, reject incoming calls by pressing
the X key, answer incoming calls by lifting the handset, pressing
the Speakerphone key, the HEADSET key or the OK key, mute an
active call by pressing the X key, place an active call on hold by
pressing the Hold soft key, resume the held call by pressing the
Resume soft key, and end the call by hanging up the handset or
pressing the Speakerphone key.
Note
To activate the keypad lock via phone user interface:
1. Press Menu->Settings->Advanced Settings (password: admin) ->Keypad Lock.
2. Press or , or the Switch soft key to select the desired type from the Keypad
Lock field.
3. Press the Save soft key to accept the change.
4. Long press to lock the keypad immediately when the phone is idle.
The LCD screen prompts “Keypad locked!” and displays the icon .
You can configure the interval (in seconds) to automatically lock the keypad instead of
long pressing .
To configure the interval of automatic keypad lock via web user interface:
1. Click on Features->Phone Lock.
The emergency number setting, if desired, must be made before lock activation.
For
more information, refer to
on page