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Yealink SIP-T23P User Manual

Yealink SIP-T23P
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Customizing Your Phone
35
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.

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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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