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Yealink SIP-T23P User Manual

Yealink SIP-T23P
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Basic Call Features
101
Incoming calls on the specific line will be rejected automatically, and the LCD
screen will prompt "n New Missed Call(s)" ("n" indicates the number of missed calls.
e.g., 1 New Missed Call(s)).
Note
To activate DND in custom mode for all accounts:
1. Press the DND soft key when the phone is idle.
The LCD screen displays a list of accounts registered on the phone.
2. Press the All On soft key to activate DND for all accounts.
3. Press the Save soft key to accept the change.
The icon appears on the status bar and all line icons change to .
Incoming calls will be rejected automatically, and the LCD screen will prompt "n
New Missed Call(s)" ("n" indicates the number of missed calls. e.g., 1 New Missed
Call(s)).
To configure the DND authorized numbers via web user interface:
1. Click on Features->Forward & DND.
2. Select Enabled from the pull-down list of DND Emergency.
3. Enter the numbers in the DND Authorized Numbers field.
When DND and busy forward are both enabled for a specific account, calls to the
specific account will be sent to the configured destination number. For more information
on call forward, refer to Call Forward on page 102.

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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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