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Yealink SIP-T23P User Manual

Yealink SIP-T23P
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Customizing Your Phone
41
TRAN, OK, X, navigation keys and soft keys until unlocked.
All Keys: All keys are locked except the Volume key, digit keys, # key, * key
and Speakerphone key. You are only allowed to dial emergency
numbers, reject incoming calls by pressing the X key or the
Reject soft key, answer incoming calls by lifting the handset,
pressing the Speakerphone key, the HEADSET key, the OK key, or
the Answer soft key, mute an active call by pressing the X key,
and end the call by hanging up the handset, pressing the
Speakerphone key or the EndCall soft key.
Note
To activate the phone lock via phone user interface:
1. Press Menu->Settings->Advanced Settings (default password: admin) ->Phone
Lock.
2. Press or , or the Switch soft key to select Enabled from the Lock Enable
field.
3. Press or , or the Switch soft key to select the desired type from the Lock
Type field.
4. (Optional.) Enter the desired interval of automatic phone lock in the Lock Time Out
field.
The default timeout is 0. It means the phone will not be automatically locked. You
need to long press to lock it immediately when the phone is idle.
If it is set to other values except 0 (e.g., 5), the phone will be locked when the
phone is inactive in idle screen for the designated time (in seconds).
5. Press the Save soft key to accept the change.
When the phone is locked, the LCD screen prompts Phone locked. and displays
The emergency number setting, if desired, must be set before lock activation. For more
information, refer to Emergency Number on page 83.

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Yealink SIP-T23P Specifications

General IconGeneral
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorBlack
Wall mountableYes
Display resolution132 x 64 pixels
Ethernet LAN (RJ-45) ports2
Security algorithmsHTTPS
Ethernet LAN data rates10, 100 Mbit/s
Voice codecsCNG, G.711a, G.722, G.726, G.729ab, VAD
Phonebook capacity1000 entries

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