Yealink SIP-T23P - Customizing Your Phone; General Settings; Contact Management; Call History Management

Customizing Your Phone
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You can customize your SIP-T23P/G IP phone by personally configuring certain settings,
for example, contrast, language and time & date. You can add contacts to the phone’s
local directory manually or from call history. You can also personalize different ring
tones for different callers.
This chapter provides basic operating instructions for customizing your phone. Topics
include:
 General Settings
 Audio Settings
 Contact Management
 Call History Management
 System Customizations
If you require additional information or assistance with your new phone, contact your
system administrator.
You can configure the backlight to adjust the brightness of the LCD screen. Backlight
status on the LCD screen can be configured from the following options:
 Always On: Backlight is on permanently.
 Always Off: Backlight is off permanently.
 15s, 30s, 60s, 120s, 300s, 600s or 1800s: Backlight is turned off when the phone is
inactive after the designated time (in seconds).
To configure the backlight via phone user interface:
1. Press Menu->Settings->Basic Settings->Display->Backlight.