Yealink SIP-T20P User Manual

User Guide SIP-T20P IP Phone
22
3. Click Confirm to accept the change.
Note
To unlock the keypad via phone user interface:
1. Press any locked key.
2. Enter the PIN in the PIN field.
3. Press the to unlock the keypad.
The icon disappears from the LCD screen.
You can long press to lock the keypad again.
To deactivate the keypad lock via phone user interface:
1. Press .
2. Select Settings->Advanced (password: admin) ->Keypad Lock.
3. Press or to select Disable from the Keypad Lock field.
4. Press to deactivate the keypad lock.
You can also activate or deactivate the keypad lock via web user interface at the path
Phone->Preference.
Note
You can press the Volume key to adjust the receiver volume of currently used audio
devices (handset, speakerphone or headset), when the phone is in the dialing interface
or during a call. You can also press the Volume key to adjust the ringer volume when the
phone is idle.
The default PIN for unlock is 123, you can also unlock the keypad by administrator
password. When you enter the administrator password to unlock the keypad, the phone
will then turn to the Reset Phone PIN interface.
The default time out is 0 seconds, that is, you can long press to lock the keypad
only.
You can configure the time out for automatic keypad lock via web user interface only.

Yealink SIP-T20P Specifications

General

Keypad number of keys	31
Speakerphone	Yes
Voice codecs	G.711, G.722, G.723.1, G.726
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Touchscreen	-
Lines quantity	2 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	2
Bluetooth	No
Security algorithms	HTTPS, SSL/TLS
AC adapter input voltage	100 - 240 V
AC adapter output voltage	5 V
Power consumption (typical)	2.6 W
Operating relative humidity (H-H)	10 - 95 %
Compliance industry standards	IEEE 802.3af
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	200 mm
Width	185 mm
Height	90 mm
Weight	770 g