Telesystem Yealink T48U Advanced SIP Phone User Guide

Yealink T48U Advanced SIP Phone

Yealink T48U + optional expansion module

Available features may vary. Provided feature set is based on the original order and the system administrator’s requests for each deployment. Please contact your system
administrator or Telesystem directly to discuss any additions to the system.

Basic Call Handling

Place a call
Lift the handset then enter the phone number, extension, or code you wish to dial.
No prefix (ex: 9) is required for external calls- simply dial the 10 digit telephone number.

Answer a call
Lift the handset then begin speaking to the caller.

Alternately, the Line key, Answer soft key, Speaker button, or Headset button may be pressed to answer an incoming call.

End a call
Hang up the handset or tap the End Call soft key.

Headset Mute
Message (Voicemail) Hold Transfer

Speaker
Press the speaker button to use speaker audio mode.

Headset
Press the headset attached). button to use headset mode audio (must have a headset

Volume
Press the volume buttons to adjust volume for your ringer when idle or audio mode while on a live call.

Mute
Press the mute disengage. button to mute your audio while on a call. Press again to

Advanced Call Handling

Hold
Tap the Hold soft key or to place an active call on hold.
To resume a held call, tap one of the following:
• Resume soft key
• Line key (slow blink)
• Hold button (resumes the selected call)

If you have many held calls, you may also use the and buttons to select the
desired held call on the display then tap Resume or to unhold the selected
caller.

Call Park (Enhanced Call Park Button)

Parking a call places it in a “shared” hold that may be retrieved from a different
device. Typically this is deployed by buttons labeled as “Park 1”, “Park 2” and so on.
Available parks are lit in green while occupied parks are red.
– To park a call, tap one of the available park keys.
– To retrieve a parked call, tap the associated park button from any phone.

Blind Transfer (Unannounced)

Blind transfers pass through the caller ID of the originating caller to the third party.
• Tap Transfer soft key or
• Input the destination extension or phone number
• Tap B Transfer soft key or to complete the transfer
Transfer a call directly to an internal voicemail box by dialing 7 plus the extension as
the destination number. For example, to send a call directly to extension 100’s
voicemail box, transfer to 7100 using the above method.
Announced Transfer
Announced transfers allow you to speak with the third party before completing the
transfer.
• Tap Transfer soft key or
• Input the destination extension or phone number
• Remain on the line while the second call connects.

Transfer a call directly to an internal voicemail box by dialing 7 plus the extension as
the destination number. For example, to send a call directly to extension 100’s
voicemail box, transfer to 7100 using the above method.

Announced Transfer

Announced transfers allow you to speak with the third party before completing the
transfer.
• Tap Transfer soft key or
• Input the destination extension or phone number
• Remain on the line while the second call connects.

o To complete the transfer after speaking with the third party,
either hang up or tap Transfer soft key or
o To cancel the transfer and go back to the first party, tap the
Cancel or End Call soft key (your first call will still be on hold).

Conference (6-Way) Call
While on a phone call, you may bridge in others to join the conversation. Most
deployments support a conference call with up to 5 other callers (6-way call).
• Tap the Conference soft key
• Input the third party’s extension or phone number
• Remain on the line while the second call connects.
o To complete the conference tap Conference soft key
o To cancel the third party instead of joining them tap the Cancel or
EndCall soft key (your first call will still be on hold).

While on a conference call, you can do the following:

• Hang up:
  o If your conference is you plus two other callers, hanging up will
  transfer those two callers to each other an end your call.
  o If your conference includes more than 2 other callers, hanging up
  will end the call for all parties.

• Manage: use this soft key to access additional options to view your callers,
  place them on mute, or even remove certain parties from your call.

• Split: when used, other callers are placed on hold separately.

Advanced Features

Voicemail
To access voicemail, press Message button. Follow the voice prompts to setup,
listen, or change greetings.
If your messages are being sent to your device, unheard messages will prompt a red,
blinking light at the top of the phone and an envelope status bar icon to appear.
Access requires a PIN/password. If you do not know your voicemail password, please
contact your system administrator or Telesystem for assistance.

Redial

Press the redial button to view the Placed Calls list then use the and to select the desired call. To place the selected call, either pick up the phone or tap the Call soft key. History

History

Tap the History soft key to access a log of the most recent calls. Use the arrow buttons to navigate the lists of all, missed, placed, and received calls.

Do Not Disturb

Tap the DND soft key to turn Do Not Disturb on or off.
If you have more than one line associated with your device, follow the screen
prompts to choose which line(s) to enable/disable.
While enabled, DND sends all direct, incoming to voicemail without ringing the phone first. You may make outbound calls normally.

Page

If enabled, the page feature broadcasts a spoken message through a group of phones, all phones, or overhead paging equipment.
• To send a page, tap the labeled Page key, speak the message, hang up.

Call Forwarding

Call forwarding of your personal line/extension may be done from the phone.

• To turn forwarding on , dial *72 followed by the extension of phone number
  to forward calls to. Pick up the phone to send the command.

• To turn forwarding off , dial *73. Pick up the phone to send the command.

Customized Keys

Your phone has programmable keys. Two of the most programmed features are:

• Speed Dial buttons are typically used to easily dial an external phone number quickly.

• Enhanced Monitored Extensions buttons are used to dial an internal
  extension and see its availability.
  Both of the above features function similarly when used:

• If used while you are not already on a call, the key will dial the programmed
  number.

Enhanced monitored extensions have the extra benefit of reporting the extension’s
status with its key light:
• Idle – solid green
• DND- slow blink red
• Ringing- fast blink red
• On call- solid red

All key changes should be made by your system administrator or Telesystem in the
CommPortal interface (instead of on the local phone). This ensures that the
configuration will be saved in the event of a reboot or update of any sort.

CommPortal Phone Applications

This device is a SIP phone which delivers many of its services by connecting to the
CommPortal interface. This interface delivery several phone applications to its
subscribers:
• Network Contacts (Directory)
• Hot Desking (Log Out/In)
• Automatic Call Distribution (ACD)

It is important to note that the use of these applications require a correct username
and password for your phone account. These credentials may need to be entered
when using an application or upon changing a password for it.

The username and password for all CommPortal Phone applications are:
• Username: primary direct dial phone number associated with your phone
• Password: current application password (used for the CommPortal, MaX
UC, and any other application)

Please contact your system administrator or Telesystem if you do not know your
username and password.

Network Contacts (Directory)

Tap the Directory button to access the phone directory.

The Directory downloads all business group extensions, Multi Line Hunt Groups
(MLHGs), and any CommPortal Contacts on your account.

Hot Desking (Log Out/In)*

In some cases, alternating shifts of employees may share desk phones, but log in
with their individual extension to make and take calls during their shift. This is known
as Hot Desking. Hot desking allows employees to log in and out of a phone, thus
taking their credentials with them to whatever desk they will be working at for that
shift. Please note, it is important to only be logged into one phone at a time.

To log out of a phone:
• Tap the Log Out key
• The LCD screen will prompt you with a warning “Are you sure…”
• Tap OK to log out
• The phone will reboot then show a logged out screen.

To log into a phone:
• Tap the Login key
• Enter the username and password
• Tap OK
• The phone reboots and updates with the logged in user configuration

Automatic Call Distribution (ACD)*

If you are part of a call center or other ring group, your phone system administrator
may have given you the right to log in and out of these groups using the ACD button.
To log in or out of a group:
• Tap the ACD button
• A list of all groups for which you are a member will appear. To the right of
each, you will see whether you are logged in or out. Select the group for
which you want to change your status by using the and keys
• Tap the Login or Logout soft key to change your status for the selected group.

If you are a member of a true call center group, your administrator may also ask that
you manage your availability while you are logged in. This feature is called My State.
To change your availability for all Multi Line Hunt Group/Queue/Call Center calls:
• Tap the My State soft key (appears after logging into at least one queue)
• Use the and keys to choose the appropriate status
• Tap OK to enable.
• The current status will be reflected on the phone screen.

Please note, this status only applies to calls through the Multi Line Hunt Groups.
When you choose a status other than Available, you will signal to the call center that
you cannot take queue calls.
Important: Remember to change your status to Available before logging out of all
hunt groups.
The line key indicates various ACD states as follows
The line key icon will indicate your availability as follows: Logged

Logged Out
Logged In, Available
Logged In, Unavailable
Wrap Up

*Please note that some features must to be set up by Telesystem. Please contact
Telesystem with questions or requests.

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