Thank you for choosing Yealink MP54/T55A Skype for Business phones, which are designed to work with
the Skype for Business Server. This guide provides everything you need to quickly use your new phone.
Firstly, verify with your system administrator that the IP network is ready for phone configuration. Also be
sure to read the Quick Start Guide in your phone package before you set up and use the phone. As you
read this guide, keep in mind that some features are configurable by your system administrator.
•Related Documentations
Related Documentations
You can view the following types of documents on each product support page on Yealink Support:
•Quick Start Guide: This guide describes the contents of your package, how to assemble the phone or
accessory, and how to use the basic features. This guide is also included in your phone package.
•Administrator Guide: This guide provides detailed information about setting up your network and
configuring features.
| About This Guide | 9
Getting Started
This chapter aims to make you familiar with the phone user interface.
Note: As you read this guide, keep in mind that some features are only configurable by your
system administrator or determined by your phone environment. As a result, some features may not
be enabled or may be operated differently on your phone. Additionally, the examples and graphics in
this guide may not directly reflect what is displayed or is available on your phone screen.
•T55A Hardware
•MP54 Hardware
•Overview of Phone Screens
•Icon Introductions
•LED Instructions
•Entering Data and Editing Fields
T55A Hardware
The following figure displays the hardware features on the T55A phones. The table lists each feature
numbered in the figure.
| Getting Started | 10
No.NameDescription
1Power Indicator LED
2Touch Screen4.3 inch (480 x 272) capacitive touch screen, tap to select items
3HEADSET Key
4
5
6
7
MUTE KeyMutes local audio during calls and conferences.
Speakerphone KeyEnables you to place and receive calls using the speakerphone.
Volume Key
MESSAGE Key
Indicate phone statuses:
• When receiving an incoming call, it fast flashes.
• When receiving an voice message, it slowly flashes.
and navigate menus.
Enables you to place and receive calls through a headset.
The LED indicator glows green when the headset is activated.
The LED indicator glows red when the mute feature is activated.
The LED indicator glows green when the speakerphone is
activated.
Adjust the volume of handset, headset, speaker, ringer, or
media.
Accesses your voice messages.
8
9Keypad KeysEnable you to enter numbers, letters, and special characters.
Speaker
Provides audio output during hands-free.
MP54 Hardware
The following figure displays the hardware features on the MP54 phones. The table lists each feature
numbered in the figure.
| Getting Started | 11
No.ItemDescription
1Volume KeyAdjusts the volume of the handset, the speakerphone, the earphone, ringer,
or the media.
2Teams KeyInitiates a Skype for Business conference call by meet now.
3SpeakerProvides audio output during hands-free.
4KeypadEnable you to enter numbers, letters, and special characters.
5SpeakerphoneToggles the speakerphone (hands-free) mode or not. The LED indicator
glows green when the speakerphone is activated.
6Mute KeyToggles the microphone on or off. The LED indicator glows red when the
mute feature is activated.
7Headset KeyToggles the headset on or off. The LED indicator glows green when the
headset is activated.
8Touch Screen4 inches (480 x 800) capacitive touch screen, tap to select items and
navigate menus.
9Power LED
indicator
Indicate phone statuses:
• When receiving an incoming call, it fast flashes.
• When receiving an voice message, it slowly flashes.
Overview of Phone Screens
You can access the following screens on your phone.
•Idle Screen
•Dialing Screen
•Favorites Screen
•History Screen
•Contacts Screen
•Calls Screen
Idle Screen
After the phone starts up and a user signs into a Skype for Business account, the phone automatically
enters the idle screen.
| Getting Started | 12
No.NameDescription
1Screen Title Area
2Digital Clock Widget
3Main WindowDisplays menus
•Shows the account
•Shows the icons
•Displays the phone’s time and date
•Displays the prompts
Dialing Screen
You can dial numbers in the Dialing screen.
Procedure
Tap New Call to access the Dialing screen.
| Getting Started | 13
NameItemDescription
Title Bar
Shortcut
Keys
Onscreen
Dial Pad
New CallShows the name of the current screen.
Dial keyTap to enter the desired number.
Tap to go back to the idle screen.
Tap to search for contacts.
Tap to enter the Dialing screen.
Tap to enter the Favorites screen.
Tap to enter the History screen.
Tap to enter the Contacts screen.
Tap to display the onscreen keyboard.
Tap to dial out the number.
Tap to hide the dial pad.
You can tap to display the dial pad again.
Favorites Screen
Local favorites and Skype for Business favorites are displayed on the Favorites screen. By default, local
favorites are displayed before the Skype for Business favorites. Local favorites are indicated by the icon
. Skype for Business favorites are indicated by the presence status icon.
Procedure
1.
Tap Favorites, and tap .
2. Slide up and down to view more favorites.
| Getting Started | 14
History Screen
You can view missed, placed, received, and forwarded calls in the History screen.
Procedure
1.
Tap Contacts, and tap .
2. Slide up and down to view more records.
| Getting Started | 15
Contacts Screen
The Contacts screen includes your local directory and Skype for Business directory.
Procedure
1. Tap Contacts.
2. Slide up and down to view more groups.
Calls Screen
The Calls screen is displayed when you have one or more calls in progress.
Procedure
The following shows an example of the Calls screen when there is an active call and a held call on the
phone:
| Getting Started | 16
No.ItemDescription
1TimeShows the current time.
2Previous callTap to switch to the previous call screen.
3Call Duration TimerShows the duration time of current call.
4Merge callsTap to merge multiple calls into a conference call.
5Add
6MuteTap to mute the call.
7MoreTap to bring up more keys.
8End CallTap to end the call.
Tap to add other party into a conference call.
Icon Introductions
The phone icons are used to indicate phone statuses.
•Icons in the Status Bar
•Icons in the Main Window
Icons in the Status Bar
The following table displays icons in the status bar.
IconDescription
Forwarded Calls
Missed Calls
Voicemail
Auto Answer
Bluetooth mode is on
Bluetooth-enabled mobile phone paired and connected
USB flash drive is connected
| Getting Started | 17
Wi-Fi is connected
Conference/Phone lock
Ringer volume is 0
Icons in the Main Window
The following table displays icons in the main window.
IconDescription
Local Favorites
Searching for Contacts
Accessing the Message Center
Received Calls
Placed Calls
Missed Calls
Forwarded Calls
Location is not set
IconDescription
Unread voicemail
Read voicemail
Enable the conference announcement
Conference organizer
Conference presenter
Private conference
| Getting Started | 18
LED Instructions
•Power Indicator LED
Power Indicator LED
LED StatusDescription
RedThe phone is initializing.
Fast flashing red (300ms) The phone is ringing.
Slowly flashing redThe phone receives a voicemail.
Off
The phone is powered off.
The phone is idle.
The phone is busy.
The call is placed on hold.
The call is muted.
Entering Data and Editing Fields
You can use the keyboard on the phone's touch screen (here in after referred to as the on screen
keyboard) and the phone keyboard to enter or edit data.
•Using the Onscreen Keyboard
•Using the Onscreen Dial Pad
•Using the Phone Keypad
Using the Onscreen Keyboard
Before using the onscreen keyboard to enter data, you need to know the function of the keys on the
onscreen keyboard. The phone supports the English (US) input method.
No.NameDescription
| Getting Started | 19
126 English
Letters
2Delete key
3Label
automatically
to identify
the contextsensitive
features.
4Two Special
Characters
5Space KeyEnter a space.
6Input MethodTap to switch between input modes.
7Tap to switch to the uppercase letter input mode.
•Enter the letter.
•Long tap a key then slide to choose one of the options to enter an alternate
character.
•Tap to delete the entered character one by one.
•Long tap to delete two or more characters.
NextTap to go to the next field.
Done KeySave the change.
SendTap to dial out the number.
Tap to search for contacts.
•Tap to enter special characters.
•Long tap point key (.) then slide to choose one of the options to enter an
alternate character.
Using the Onscreen Dial Pad
Instead of using the onscreen keyboard, you can also use the dial pad on the dialing screen to enter data.
The onscreen dial pad only provides digit keys, # key and * key.
Procedure
1. Tap New Call.
2. Use the dial pad to enter numbers.
Note: When using the onscreen dial pad, you can tap to display the onscreen keyboard.
| Signing into and Locking Your Phone | 20
Using the Phone Keypad
Instead of using the onscreen keyboard, you can also use phone keypad to enter data. The phone keypad
only provides digit keys, # key and * key.
Signing into and Locking Your Phone
You can sign into the phone with your Skype for Business credentials and lock your phone when
necessary.
•Multi-Factor Authentication (MFA)
•Signing into Your Phone
•Using a Common Area Phone (CAP)
•Using Hot Desking Feature
•Phone Lock
Multi-Factor Authentication (MFA)
To guarantee the security of account, your network administrator may enable multi-factor authentication
(MFA) feature for your Online account. In this case, you need to pass a 2-step verification at the initial signin. It means that you should sign in with your password and a verification sent to your phone.
•Binding Online Account with Your Mobile Phone Number
•Passing Multi-Factor Authentication
Binding Online Account with Your Mobile Phone Number
To use MFA feature, you should bind your mobile phone number with Online account first.
Procedure
1. On the Skype for Business Client, enter your Online account, and then click Sign in.
2. Click Set it up now.
| Signing into and Locking Your Phone | 21
3. Enter your mobile phone number in the corresponding field and select an authentication method.
4. Click Next.
5. Select a method to complete the authentication:
•If you select Call me, your mobile phone will receive a call and you need to follow the voice prompt
to complete the authentication, and then click Done.
•If you select Send me a code by text message, enter the correct verification code received from
your mobile phone in the corresponding field, and then click Verify.
Passing Multi-Factor Authentication
MFA applies to user sign-in, web sign-in and sign in via PC methods. You can use Voice call verification or
Text verification to log in and use the phones. The phones will use the authentication mode you set on the
Skype for Business client by default.
Procedure
1. Log into your phones using the user sign-in, web sign-in or sign in via PC method.
Your phone or web browser enters the verification screen.
2. Depend on the authentication mode you selected on the Skype for Business client:
•If you select Call me, your mobile phone will receive a call. Answer the call and follow the voice
prompt to complete authentication.
•If you select Send me a code by text message, your mobile phone will receive a verification code.
Enter the verification code into the phones or web browser and then select Verify.
After verification, the phone logs in successfully.
Note: You can switch between the Voice call verification and Text verification methods on
your phone or web browser.
Related tasks
Sign in Using Your Skype for Business User Credentials
Sign in Using BToE
Sign in Using Web
| Signing into and Locking Your Phone | 22
Signing into Your Phone
You can use one of the following methods to sign into your phone with your user credentials:
•User Sign-in: This method uses the user credentials (sign-in address, user name, and password) to
sign into Skype for Business server. This sign-in method is applicable to On-Premises account and
Skype for Business Online account.
•Sign in via PC: Sign in with the Skype for Business client when your phone is paired to your computer
with Better Together over Ethernet (BToE). This sign-in method is applicable to On-Premises account
and Online account.
•PIN Authentication: This method uses the user’s phone number (or extension) and personal
identification number (PIN) to sign into Skype for Business server. This sign-in method is only applicable
to On-Premises account.
•Web Sign-in: Use the web address displayed on the phone to log into the Skype for Business server.
This sign-in method is only applicable to Skype for Business Online account.
Note: If the phone reboots after successful login, the user credentials from the previous Sign-In will
be cached. User can sign in successfully without re-entering the credentials.
•Sign in Using Your Skype for Business User Credentials
•Sign in Using BToE
•Sign in Using Your PIN Authentication Credentials
•Sign in Using Web
•Signing out of the Phone
Related tasks
Setting a Lock PIN
Sign in Using Your Skype for Business User Credentials
You can sign into your Skype for Business account using your user credentials, which includes your
address, username, and password. Contact your system administrator to get your PIN authentication
credentials.
Procedure
1. Tap Sign in.
2. Select User Sign-in.
3. Enter your user credentials and select Sign in.
Sign in Using BToE
When your phone is connected to your PC and paired using Better Together over Ethernet (BToE), you can
sign into the phone using the Skype for Business client on your PC.
Procedure
1. Tap Sign in.
2. Select Sign in via PC.
3. On the Skype for Business client on your PC, enter your user credentials, and click Sign in.
Related tasks
Using Yealink BToE Connector Software
| Signing into and Locking Your Phone | 23
Sign in Using Your PIN Authentication Credentials
You can sign into your Skype for Business account using your PIN authentication credentials. Contact your
system administrator to get your PIN authentication credentials.
Before you begin
Your system administrator should configure· network environment in advanced for PIN authentication
method. If not, your phone may not display this sign-in method. For more information, contact the system
administrator.
Procedure
1. Tap Sign in.
2. Select PIN Authentication.
3. Enter your user credentials and select Sign in.
Sign in Using Web
You can use the web address displayed on the phone to log into the Skype for Business server. Contact
your system administrator to get your PIN authentication credentials.
Procedure
1. Tap Sign in.
2. Select Web Sign-in.
A web address and paring code are displayed.
3. Enter the web address into the web browser on your PC.
4. On the Skype for Business Authentication website, enter your email address then select Verify email.
5. Enter the pairing code generated on the phone into the web browser.
A confirmation message is displayed when the phone successfully signs into Skype for Business.
Signing out of the Phone
You may want to sign out of your account when you are using a public phone. After you sign out of your
account, the account-related features (for example: calling or viewing your Skype for Business contacts)
are not available. However, you can still use other available features.
Procedure
1. Tap your avatar at the top-left corner of the touch screen.
2. Tap Sign Out.
The phone screen prompts you whether to log out or not.
3. Select OK.
Using a Common Area Phone (CAP)
Your phone can be set as a common area phone. Common area phones are Skype for Business phones
that are not associated with individuals. Instead of being located in someone’s office, common area phones
are typically located in building lobbies, cafeterias, employee lounges, conference rooms, and other
locations where a large number of people are likely to gather.
•Setting a Common Area Phone
•Signing into a Common Area Phone
•Signing out of the Common Area Phone
| Signing into and Locking Your Phone | 24
Setting a Common Area Phone
You can configure an individual phone to be a Common Area Phone.
Procedure
1. Go to More > Advanced > Common Area Phone.
2. Turn on Common Area Phone.
3. Save the change.
The phone screen prompts whether to reboot the phone or not.
4. Select OK.
Signing into a Common Area Phone
The system administrator can use a web browser to provision numerous common area phones quickly. As
a user, you can also sign into a common area phone by yourself.
Before you begin
Setting a Common Area Phone
Procedure
1. Select a sign-in method.
2. Enter your user credentials and select Sign in.
Related concepts
Signing into Your Phone
Signing out of the Common Area Phone
You can sign out of your account after you use the common area phone.
Procedure
1. Go to More > Advanced > CAP sign Out.
2. Press CAP sign out (Sign Out
).
Using Hot Desking Feature
Hot desking makes multiple employees use the same phone at different times. It is convenient for different
employees to share one Skype for Business phone. If your system administrator enables the hot desking
feature for your phone in your environment, you can sign into a phone as a guest user.
•Sign in as a Guest User
•Signing out of the Guest User
•Disabling Hot Desking
Sign in as a Guest User
You can sign into Skype for Business on your phone or common area phone as a guest user.
Procedure
1. Tap User Sign in.
The phone prompts if you are you sure to start the hot-desking.
2. Select OK.
| Signing into and Locking Your Phone | 25
3. Select a sign-in method.
4. Enter your user credentials and select Sign in
The phone displays “It is in the hot-desking mode”.
Related concepts
Signing into Your Phone
Signing out of the Guest User
You can sign out of the guest user after you use the phone.
Procedure
Do one of the following:
•When the phone is locked, select Sign Out.
•When the phone is unlocked, tap your avatar at the top-left corner of the touch screen and then tap
Sign Out.
The guest user is signed out and the host user is signed in automatically.
Note: When the phone has been inactive for a designated time (this time is set by the administrator
on the Skype for Business server), the guest user will automatically be signed out. One minute
before logout, the phone will prompt you to sign out immediately or continue using the phone as a
guest user for 5 minutes.
Disabling Hot Desking
You can disable the Hot Desking feature, so that guests are not allowed to sign into your phone.
Procedure
1. Go to More > Features > Hot-Desking.
2. Turn off Hot-Desking.
3.
Phone Lock
If your system administrator enables the phone lock feature for your phone in your environment, you can
lock your phone when necessary.
•Tips for Phone Lock
•Setting a Lock PIN
•Setting the Idle Timeout for Phone Lock
•Setting the Unlock Attempts
•Locking Your Phone
•Unlocking Your Phone
•Changing Your Lock PIN
•Resetting Your Lock PIN
•Disabling Phone Lock
Tips for Phone Lock
You do not use the phone for a while, you can enable the phone lock feature. You can choose to lock your
phone in following situations:
•Prevent unauthorized outgoing calls.
| Signing into and Locking Your Phone | 26
•Prevent people from viewing or modifying phone information, such as your conference schedules and
history records.
When your phone is locked, you can:
•Place outgoing calls to a contact, unless your system administrator restricts your phone to placing calls
to emergency and authorized numbers only.
•Answer incoming calls, unless your administrator has set your phone to require a password to answer
calls.
Setting a Lock PIN
When you sign into your Skype for Business account, you are prompted to set a lock PIN, which is used for
unlocking your phone.
Procedure
1. Enter the lock PIN in the New PIN field.
2. Enter the lock PIN again in the Confirm PIN field.
3. Save the change.
Note: If you do not create a lock PIN when prompted, you will be automatically signed out of the
phone in a set amount of time. You must create a lock PIN when you try to sign in again.
Related concepts
Signing into Your Phone
Setting the Idle Timeout for Phone Lock
You can configure an idle timeout, after which the phone will lock automatically. The default time is 10
minutes.
Procedure
1. Go to More > Basic > Phone Lock > Lock Time Out(mins).
2. Enter the integer between 1 to 1440 minutes in the Lock Time Out(mins) field.
3. Save the change.
Related tasks
Locking Your Phone
Setting the Unlock Attempts
You can specify the maximum number of unsuccessful unlock attempts for a locked phone. You will be
automatically signed out of the phone when the unsuccessful unlock attempts exceeds the limit.
Procedure
1. Go to More > Basic > Phone Lock.
2. Select the desired value from the Unlock attempts field.
3. Save the change.
Locking Your Phone
You can manually lock the phone.
Procedure
Tap Lock.
Related tasks
Setting the Idle Timeout for Phone Lock
Unlocking Your Phone
You can unlock your phone by using your lock PIN.
Procedure
1.
Tap and enter the lock PIN in the input field.
2. Tap Unlock.
Changing Your Lock PIN
After setting the lock PIN for the first time, you can change the PIN at any time.
Procedure
1. Go to More > Basic > Phone Lock.
2. Enter the lock PIN in the Current PIN field.
3. Enter the lock PIN in the New PIN field.
4. Enter the lock PIN in the Confirm PIN field.
5. Save the change.
| Audio Calls | 27
Resetting Your Lock PIN
If you forget your lock PIN, you can reset the lock PIN from a phone using your login password.
Procedure
1. On the lock screen, tap Forgot unlock PIN.
2. Enter your login password for your Skype for Business account.
3. Select Unlock.
4. Enter and confirm your new lock PIN.
Disabling Phone Lock
If you do not want to lock your phone, you can disable phone lock.
Procedure
1. Go to More > Basic > Phone Lock.
2. Turn off Lock Enable.
3. Save the change.
Audio Calls
You can place calls, answer calls, transfer a call to someone else, or conduct a Skype for Business
conference call.
•Switching among the Handset, Speakerphone, and Headset Modes
•Placing Calls
•Answering Calls
•Muting and Unmuting Audio
•Holding and Resuming Calls
•Ending Calls
•Transferring Calls
•Parking and Retrieving Calls
•Silencing or Rejecting Incoming Calls
•Forwarding an Incoming Call Manually
•Forwarding All Incoming Calls
Switching among the Handset, Speakerphone, and Headset Modes
You can place and answer calls on your phone using the handset, headset, or speakerphone, and you can
alternate among this three modes during calls, if available.
Procedure
Do one of the following:
•Pick up the handset to use the handset mode.
•Press the Speakerphone key to use the speakerphone mode. The key LED glows green.
•Press the HEADSET key to use the headset mode. The key LED glows green.
| Audio Calls | 28
Placing Calls
You can use your phone like a regular phone to place calls in many ways easily.
•Placing Calls using the Dialer
•Placing Multiple Calls
•Placing Calls from a Locked Phone
•Placing Calls from the Call History
•Calling Favorites from the Favorites Screen
•Calling Contacts from the Contacts Screen
•Calling Contacts from the Search Results List
•Setting a Hotline Number and Delay Time
Placing Calls using the Dialer
You can enter a phone number by using the onscreen dialpad or phone keypad to place a call.
Procedure
1. Do one of the following:
•Pick up the handset.
•Press the Speakerphone key.
•Press the HEADSET key.
2. Enter the desired number.
You can also tap a desired contact from the search result list, favorites screen, history screen or
contacts screen.
3.
Press .
Placing Multiple Calls
When you are in a call, you can hold your current call and place a new call. Only one active call (the call
that has audio associated with it) can be in progress at any time.
Procedure
1. During a call, tap More > Hold.
The active call is placed on hold.
2. Select New Call.
3. Enter the desired number.
You can also tap a desired contact from the search result list, favorites screen, history screen or
contacts screen.
4.
Tap .
Placing Calls from a Locked Phone
On the locked phone, you can place outgoing calls to any contact unless your system administrator
restricts your phone to placing calls only to emergency numbers, such as 911, and authorized numbers
that your system administrator can set up.
| Audio Calls | 29
Procedure
1. Tap Emerg Call..
2. Dial the desired number.
Placing Calls from the Call History
You can place a call to the history record.
Procedure
1.
Tap Contacts and tap .
2. Slide up and down to view more records.
3. Tap the desired entry directly.
4.
Press .
Calling Favorites from the Favorites Screen
Favorites screen displays your local favorites and Skype for Business favorites.
Procedure
1.
Tap Contacts, and tap .
2. Slide up and down to view more favorites.
3. Select the desired favorites.
Calling Contacts from the Contacts Screen
You can place calls to your contacts.
Procedure
1. Tap Contacts.
2. Select the desired contact group.
3. Tap the desired contact.
4.
Press .
Calling Contacts from the Search Results List
On the Dialing screen, you can search for Skype for Business contacts, local contacts, and Microsoft
Outlook contacts.
Procedure
1.
Tap New Call, and then tap .
2. Enter the first or first few characters of the contact name or number.
3. Tap the desired entry from the result list directly.
Setting a Hotline Number and Delay Time
You can configure a hotline number and a delay. When you lift the handset, press the Speakerphone key,
or tap New Call, the phone will dial out the hotline number automatically after a designated period of time.
| Audio Calls | 30
Procedure
1. Go to More > Features > Hotline.
2. Enter the desired number in the Number field.
3. Enter the desired delay time in the HotLine Delay(s) field.
4. Save the change.
Answering Calls
You can answer calls in a variety of ways.
•Answering Calls
•Answering a Call When in a Call
•Answering Calls Automatically
Answering Calls
Procedure
Do one of the following:
•Pick up the handset to use the handset mode.
•Press the Speakerphone key to use the speakerphone mode. The key LED glows green.
•Press the HEADSET key to use the headset mode. The key LED glows green.
•Select Answer.
Loading...
+ 67 hidden pages
You need points to download manuals.
1 point = 1 manual.
You can buy points or you can get point for every manual you upload.