Yealink SIP-T20P User Manual

Enterprise IP Phone Customizing Your Phone
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Keypad Lock
You can lock the keypad of your phone when you are temporarily not using it. This
function helps you to protect your phone from unauthorized use. You can lock the
following specific keys:
MENU Keys:
The MENU softkeys can not be used until unlocked. You can not access
the MENU of the phone.
Function Keys: The hard function keys can not be used until unlocked. You can not
access the MESSAGE, HEADSET, CONF, HOLD, TRAN, RD Keys.
Talk Call Only:
All of the keys can not be used until unlocked. You can only use the
phone to answer the incoming calls.
To enable keypad lock via Phone interface:
1) Press MENU->Settings->Advanced, enter the password, and then press OK button.
2) Choose Lock->OK.
3) Use the navigation key to highlight the one you want to lock.
4) Press OK button to active the change, or MENU to return to the previous screen.
To unlock the phone via Phone interface:
1) Press MENU key,
you are prompted for the password.
2) Enter the password, then press OK button, the phone is unlocked.
To enable keypad lock via Web interface:
Choose Phone->Preference to do the relating changes. Please refer to the instructions
above for the parameters’ detail.
Note:
The default password for unlock is admin.
Audio Settings
Volume
You can adjust the volume of handset/speaker/headset.
To adjust the volume when you are not
on an active call:
1) Press MENU->Settings->Basic.
2) Scroll to Phone Volume, and press OK button, highlight the one you want to adjust
the volume, use the Volume Adjustment Bar or navigation keys to adjust the
volume.

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