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TIP

UNDERSTANDING THE KEYS ON YOUR PHONE

The Hard keys may display a fixed function, may be 
programmed to display extensions or other frequently 
used functions like Speed Dial.

PLACING CALLS

INTERNALLY: 

To call another person in your 

company, pick up the handset and dial the 
other person’s extension number. This is 
typically a 3 or 4 digit number. 

THESE PHONES ALSO BEHAVE LIKE CELL PHONES WHERE YOU CAN DIAL THE 
NUMBER FIRST AND THEN PRESS THE            KEY.

EXTERNALLY: 

To call a number outside of your company, pick up the handset and 

dial that person’s phone number. (You do not need to add any additional digits to 
place an external call, just dial “1 + area code + phone number”.)

EMERGENCY CALLS 

In an emergency, dial 

911

 the way you would dial an external number.

USING THE SPEAKERPHONE

With the handset on hook, enter the number and then press the        key.

ALWAYS DIAL YOUR NUMBER BEFORE PICKING UP THE HANDSET OR PRESSING THE 

  

         KEY; THIS WILL ALLOW YOU TO CORRECT YOUR NUMBER AS YOU DIAL. PRESS 
THE SMALL        KEY TO BACKSPACE AND EDIT THE NUMBER THAT YOU DIALED.

REDIAL

To call the last number you dialed, lift the handset and then press the        key.

ANSWERING CALLS

USING THE HANDSET: 

Pick up the handset.

USING THE SPEAKERPHONE: 

Press the        key.

TO CHANGE THE RING TONE FOR INCOMING EXTERNAL CALLS, SEE THE 

UPDATING 

RING TONE

 SECTION LATER IN THIS GUIDE.

ENDING CALLS

Hang up the handset or press the        key. If you used the speakerphone, press the 
       key or press the         key. 

3-WAY CONFERENCE CALLS

TO HOST A 3-WAY CALL:

1.  Once you have the first party on the line, press       
    the        key. The first party is automatically
    placed on hold.
2. Dial the second party and press the         key.
3. When the second party answers, press the 

           

key. All parties are now joined in the 

    conference.

You can press the        key to place the conference on hold. 
You can press the        key to split the conference call into two 
individual calls. To drop the conference call, press the        key.

TO HOST A CONFERENCE WITH MORE THAN THREE CALLERS, PLEASE CONTACT THE 
CENTRALOFFICE CUSTOMER SUPPORT TEAM AT 347-498-0555 OR 
[email protected]

PARKING A CALL

Call Park

 is a feature that allows you to place a call on hold from one line and 

retrieve the call from another phone in the office. The other phone can belong to 
any member of your business; even a member that works from a different location.

To park a call, press the        key. Dial the 

Call Park

 access code: 

*18

. Listen to the 

Orbit or parking lot number where your call was placed. You will need this number 
later to retrieve your call. Press the        key again.

To retrieve a parked call, dial the 

Call Retrieve

 access code:

*19

 followed by the Orbit 

number. For example, to retrieve a call parked in Orbit 30, dial 

*1930

.

DO NOT DISTURB

When Do Not Disturb (

DND

) is active, incoming calls will be rejected rather than ring 

your phone. Callers will hear a system-generated message saying that you are 
temporarily unavailable. If voicemail is active on your line, calls will be sent directly 
to your voicemail and not rejected.

TO TURN DND ON:

1.  Press the        key.
2. Select 

Features, DND Code

.

3. Use the arrow keys to select 

Enable

 and then press the      key.

    “DND” will appear in the LCD screen.

TO TURN DND OFF:

 

1.  Press the        key.
2. Select 

Features, DND Code

.

3. Use the arrow keys to select 

Disable

 and then press the      key.

ACCESSING YOUR VOICEMAIL

When the        key is lit up or a small         icon appears in the LCD screen, there are 
new voicemail messages. To listen to your voicemail, press the         key.
 

Follow the voice prompts to review your messages. You 
can also access your voicemail from outside your office 
by dialing your personal number. When the call goes to 
the voicemail greeting, press 

*

 followed by your Voice-

mail PIN code and then press 

#

.

TO TRANSFER A VOICEMAIL MESSAGE TO A 
FELLOW EMPLOYEE AFTER LISTENING TO 
THE MESSAGE, PRESS 

5

. LISTEN FOR 

ADDITIONAL PROMPTS WHICH WILL 
INCLUDE THE VARIOUS DELIVERY OPTIONS 
AVAILABLE. 

NOTE:

 YOU MUST DIAL THE 

ENTIRE TEN DIGIT NUMBER OF THE EXTEN-
SION YOU WISH TO TRANSFER TO

USING CALL HISTORY LISTS

You can access lists of recent calls by using the arrow keys on your phone. 

Press the         key, select 

History

 and then press the      key.

TO VIEW THE CALL HISTORY LIST:

1. Use the       or      arrow key to switch between 

Placed Calls, Received Calls, 

    Missed Calls 

and 

Forwarded Calls

.

2. Use the      or      arrow key to select the desired entry.

TO PLACE A CALL FROM THE CALL HISTORY LIST:

Select the desired entry as described above and then simply press the         key.

VOLUME ADJUSTMENT

 

Press the                        key during a call to adjust the speakerphone or handset 
volume. To change the ringer volume, press this key when the handset is on the phone 
and there are no calls in progress.

UPDATING RING TONE

TO CHANGE THE RING TONE FOR INCOMING EXTERNAL CALLS:

1.  Press the         key, select 

Settings, Basic, Sound, Ring Tones

2. Scroll to the ring tone you want using the      or      arrow key on your
    phone. The ring tone will play momentarily.
3. Press the       key to save the ring tone.

(If changing the ring tone changes internal calls instead of external calls, and you 
would like to change to external, please contact the CentralOffice Support Team to 
configure your BG.)

BUSY REDIAL

The 

Busy Redial

 feature is a code that when 

entered into your phone, will give you the informa-
tion of the number you last dialed and the option 
to dial it again. If the line you are trying to reach is 
busy, your phone will keep checking that line (for a 
preset amount of time) till it becomes available 
and then it will dial it again. For 

Busy Redial

dial 

*66

; to cancel, dial 

*86

.

CALL RETURN

The 

Call Return

 feature is a code that when entered into your phone, will give you the 

information of the last call you received and the option to have your phone dial that 
number. If the line you are trying to reach is busy, your phone will keep checking that 
line (for a preset amount of time) till it becomes available and then it will dial it again. 
For 

Call Return

, dial 

*69

; to cancel, dial 

*89

.

ANONYMOUS CALL REJECTION

Anonymous Call Rejection

 is a feature which when configured, can be enabled or 

disabled on your phone to reject calls that come up as anonymous on your phone’s 
display. 

*77

 will enable the feature, 

*87

 will disable it.

CALL PICKUP & DIRECTED CALL PICKUP‡ 

Call Pickup

 is a feature that via a code you enter into your phone picks up any 

incoming call to a preset group of extensions. 

Directed Call Pickup

 allows you to pick up any incoming call to a specific extension 

within your 

Business Group

. Both Pick-up options can’t be used once a call is 

already in progress.  
For 

Call Pickup

, dial 

*11

 followed by the group code.

For 

Directed Call Pickup,

 dial 

*12

 followed by the ringing phone’s extension number.

INTERCOM‡

Individual extension-to-extension 

intercom

 calls are calls between users that do not 

ring the other party’s phone, but rather are immediately answered over the other 
phone’s speaker. To make an 

intercom

 call, dial “

9

” followed by the extension.

GROUP INTERCOM‡

Group Intercom

 calls give you the ability to make an announcement over all of the 

speakers of all of the users in your group. To make a 

group intercom

 call, dial *

98

wait for a beep and then make your announcement.

DOOR INTERCOMS

Door Intercoms

 provided by Xchange Telecom can be used with your 

CentralOffice

 phone 

system. When a call comes in from your door intercom, pressing a predefined key will 
release the door. Depending upon the Intercom model, the default key is either 

8

 or 

6

. The 

predefined key can also be customized upon request.

The CentralOffice customer support team can be reached at 347-215-9300

or by email: [email protected]

Visit us at 

www.xchangetele.com

MUTING YOUR PHONE’S MICROPHONE

During a call, press the small       key (this will mute all 
modes you use, handset or speakerphone). You will 
hear all the other parties while they cannot hear you. 
To turn your microphone back on, press the small 
key again.

HOLD

During a call, press the        key. To resume 
the call, press the        key again. 

TRANSFERRING A CALL

There are two ways you can transfer a call: Attended Transfer and Blind Transfer.

ATTENDED TRANSFER

 is where you stay on the phone until the party you are 

transferring the call to picks up and then you can advise the party you are about 
to transfer a call to them. 
 
1. During a call, press the         key. The active call is automatically 
    placed on hold.
2. Dial the party you want to transfer the call to and press the          key. 
  (This can be either an internal extension or an external number). 
3. When you hear the second party answer (or after you speak with the second 
  party), press the 

       

key. 

YOU CAN CANCEL A TRANSFER BEFORE THE CALL CONNECTS BY PRESSING THE 
SMALL         KEY. PRESS THE           KEY TO RESUME YOUR ORIGINAL CALL.

BLIND TRANSFER

 is where you simply transfer the call to the intended party 

without communicating with them first.

1.  During a call, press the        key. The active call is automatically placed 
    on hold.  
2. Dial the extension or number you want the call transferred to.
3. Press the 

       

key. Your call will be transferred directly.

CALL WAITING

When you are on a call and another call comes in, your phone will either:
Have a       

LINE 

key flashing and display the details of the second call or (depending 

on your phone model and the call), just display the second caller’s details on your 
screen without the      

LINE 

key flashing.

If a       

LINE 

key is flashing, press the flashing      

LINE

 key to take the   

call. 
If the       

LINE 

key isn’t flashing:

• Use your      or      

 

arrow key to highlight the second call. 

• Press the      key to take the second call. The first call will be placed on hold. 
   To go back to your first call, use the       or       arrow key to highlight the call. 
• Press the        key. The other call will be placed on hold. 

Yealink

 

  T20P

BASIC 

PHONE 

GUIDE

YEALINK T20P

 

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