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Yealink SIP-T23P Enterprise IP Phone

Quick User Guide for 8x8 Virtual Office 

This guide provides everything you need to quickly use your new 
phone. For detailed information on how to use your phone, see the 
SIP-T23P/T23G User Guide for 8x8 Virtual Office.

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Phone views

There are three main views: Menu, Calls, and Lines View (the default). 
For Menu view, press the 

Menu

 soft key. You can see the Lines view 

on the right side of the idle screen. Calls View will show you on the 
screen when your phone has a call.

The idle screen displays the label of current account, time and date, 
and four soft keys.

Menu view

Menu view displays status, features, settings, message, history and 
directory. You can use the right, left, up, and down arrow keys to 
highlight the menus, then press the Enter soft key to access phone 
functions.

Lines view

Lines view displays your phone line(s), monitored lines (if BLF Keys are 
available), and soft keys in the soft key area.

If your phone is idle, you can press the line key to access the Dialer.

Calls view

If your phone have calls, the screen indicates the number of calls you 
have, and if they’re active or held.

If the phone line has a call (active or call), the line shows the 

 icon 

on the screen.

If the phone line has one or more held calls, the screen shows the 

 

icon.

Entering Data

Use the dialpad keys to enter information. To backspace, press the 

Delete

 soft key. To type with the dialpad keys, press a key repeatedly 

to view the character options and stop to select.

When you want to enter special character, select one of the alphabetic 
(Abc, ABC, abc or 2aB) options, then press the 

*

0

 key one or more 

times.

About Calls

Only one call can be active at one time.

You can use the handset, speakerphone, or headset for

calls. During a call, you can change modes by picking up the handset, or 
by pressing 

 or 

 .

Placing a Call

Three ways to place calls as follow:

•  Pick up the handset.
•  With the handset on-hook, press 

.

•  With the headset connected, press 

 to activate the

headset mode.

Then enter the number, and then press the 

Send

 soft key to dial out.

You can also dial from Lines view: Press the phone Line key, enter the 
phone number, and press the 

Send

 soft key.

Answering a Call

Using the handset:

Pick up the handset.

Using the speakerphone:

Press 

.

Using the headset:

Press 

.

Ending a Call

Using the handset:

•  Hang up the handset or press the EndCall soft key.

Using the speakerphone:

•  Press 

 or press the 

EndCall

 soft key.

Using the headset:

•  Press the EndCall soft key.

Holding Calls

To place a call on hold:

Press the Hold soft key during a live call.

To resume the call, do the following:

If there is only one call on hold, press the 

Resume

 soft key. If there is 

more than one call on hold, press 

 or 

 to select the desired 

call, and then press the 

Resume

 soft key.

Parking Calls

To park a live call, press the 

Park

 soft key during a live call.

•  Listen to the message which identifies the extension the call is 

parked on.

•  Then notify the intended recipient(s).

To pick up the parked call, the recipient dials the extension that the call 
was parked on.

Transferring Calls

You can transfer a call in the following ways:

Attended Transfer

•  Press 

 or the 

Tran

 soft key to hold on a call.

•  Enter the number you want to transfer to, then press 

OK

 or the 

Send

 soft key.

•  Press 

 or the 

Tran

 soft key after second party answers.

Blind Transfer

Do one of the following:

•  Press 

 or the 

Tran

 soft key to hold on a call. Enter the 

number you want to transfer to. Press 

 or the 

Tran

 soft key.

•  Select 

BXfer

 during a live call, then enter the extension number 

that you want to transfer to and press the 

OK

 soft key. 

Semi-Attended Transfer

•  Press 

 or the 

Tran

 soft key during a call.

•  Enter the number you want to transfer to, then press 

OK

 or the 

Send

 soft key.

•  Press 

 or the 

Tran

 soft key when you hear the ring-back 

tone.

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