This guide will cover the use of your Yealink Model T48 phone.
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Device Overview
LED Indicator
The LED indicator flashes to indicate an incoming call (red flashing light) or a new voice message (steady red light).
Line Keys
These buttons indicate the status of your lines and associated activity. The backlighting informs you when a line is idle, ringing, in use, on hold, or disconnected.
Please Note: The Yealink T48 has no physical line buttons. All actions will take place directly on the main screen display.
Soft Key Buttons
The functions for the soft key buttons appear directly above them on the display. Their functions are context-sensitive, meaning the soft keys’ function changes depending on your current activity. For example, if you are conferencing, the soft keys display functions related to the conference function.
Navigation Buttons
By pressing left or right, up or down, you can scroll through the options and lists on the display. To select an item, press OK in the center of the four-way navigation arrows. To cancel or back up to a previous screen, press the cancel (X) button below the down navigation arrow.
Mute Button
Toggles to indicate whether a feature is muted or not.
Headset Button
Toggles to indicate whether the phone is in headset mode or not.
Message Button
This button gives you access to your voicemail messages.
Redial Button
This button redials a previously dialed number.
Transfer Button
This button will transfer active calls to another number.
Speakerphone Button
This button toggles the unit into hands-free speakerphone mode.
Volume Buttons
These keys adjust the volume of the handset, headset, speaker, and ringer.
Cancel Button
This button cancels actions or rejects incoming calls.
Using Your Device
Place Calls
Step 1
Pick up the handset.
Step 2
Enter the 10-digit valid phone number.
Step 3
Press the Send soft key. Your call will then be placed.
Receive Calls
To answer a call
Pick up the handset or press the Answer soft key to activate the speakerphone.
To answer a call when you’re on an active call
Press the Answer soft key. The incoming call is answered, and the original call is placed on hold.
Hold Calls
Put a call on hold
Press the Hold soft key.
Resume a Call Placed on Hold
Press the Resume soft key.
Note: If you have more than one call on hold, tap the call you wish to continue and press the Resume soft key.
Blind Transfer
A blind (or unannounced) transfer occurs when you transfer a call to someone else without announcing the call first.
To conduct a blind transfer while on an active call
Step 1
Press the Transfer soft key.
Step 2
Enter the destination to which you wish to transfer the call.
Step 3
Then, press the Transfer soft key again. This completes the transfer.
Note: When performing a blind transfer, the caller ID of the transfer recipient will show the information of the contact you are transferring.
Consulted Transfer
A consulted (or announced) transfer is performed when you announce the call to the recipient before transferring the call. This transfer is the default transfer method. However, contact your Vonage administrator if you wish to change the default.
To conduct a consulted transfer while on an active call:
Step 1
Press the Transfer soft key. The caller is automatically placed on hold.
Step 2
Dial the receiving party.
Step 3
Press OK to dial out.
Step 4
Once the receiving party answers, announce the call.
Step 5
To complete the transfer, press the Transfer soft key again.
Note: When performing a consulted transfer, the caller ID of the transfer recipient will show your contact information, as you will be announcing the call first. If you prefer to transfer the caller ID as well, you should perform a blind transfer.
Voicemail Transfer
A direct-to-voicemail transfer is performed when you transfer a call directly to another user’s voicemail.
To conduct a direct-to-voicemail transfer while on an active call
Step 1
Press the Transfer soft key.
Step 2
Enter Star, Star, followed by the user’s extension and Pound.
Step 3
Press Transfer again. This will complete the transfer to voicemail.
Note: If your default transfer method is consulted transfer, you must perform a blind transfer to use the direct-to-voicemail option.
Make a Three-Way Conference
Step 1
While on an active call, press the Conference soft key. The first call is placed on hold.
Step 2
Enter the second 10-digit valid phone number.
Step 3
Press the Send soft key.
Step 4
When the second party answers, press the Conference soft key again to connect the calls.
Do Not Disturb
The do not disturb feature sends all incoming calls to voicemail. When this feature is active, you will see a DND icon on the home screen. Callers will hear the busy greeting and be sent to your voicemail.
To enable Do Not Disturb
Tap the DND soft key.
To disable Do Not Disturb
Tap the DND soft key.
Call Forwarding
By default, calls that are not answered will go to voicemail. To forward calls to a destination other than voicemail, enable call forwarding or change your voice portal busy and no answer settings.
To enable call forwarding
Step 1
Tap the Menu soft key.
Step 2
Select Features.
Step 3
Press the OK button.
Step 4
Select Call Control.
Step 5
Then select Call Forward.
Step 6
Press the Enter soft key.
Step 7
Select the type of forwarding option that you would like to enable. Options include:
- Always Forward – Forward all incoming calls to a specified forward-to destination.
- Busy Forward – Only forward calls if you do not answer.
- No Answer Forward – Forward calls when the Do Not Disturb feature is enabled or your line is busy.
Step 8
Use the navigation arrows to switch the setting to Enabled.
Step 9
Tap the Down Navigation Arrow and enter the phone number to forward calls.
Step 10
Tap the Save soft key when you are done. You will see the Forwarding indicator on the home screen.
Note: When configuring No Answer forwarding, you must select the number of seconds before the call is forwarded. To configure, select Call Forward, then No Answer Forward. Enable the feature and enter the number to which to forward calls. Then, select the number of seconds it would take to forward calls. You can choose from 0 – 120 seconds. Make your selection and select the Save soft key when you are done.
Park and Retrieve Calls
Call Park holds a call to be picked up on another phone.
To park a call while on an active call
Step 1
Press the Transfer soft key.
Step 2
Dial *103#. You will be told the number where your call will be parked.
Step 3
Press the Transfer soft key. Your call has now been parked.
To retrieve a parked call while the phone is idle
Step 1
Dial *104#.
Step 2
Enter the parking spot number where the call was parked.
Access Your Call History
You can view your recent call history and place calls from your call history lists.
To see recently placed and received calls
Tap the Redial/History key. To dial a number, select the number you wish to call.
Also, while on the main screen, you can press the Up Navigation arrow to access the Call History screen or select the History soft key.
Add Contacts to Your Directory
To create a new contact:
Step 1
Tap the Directory soft key.
Step 2
Select the contact group you would like to add a contact to.
Step 3
Then select the Add soft key.
Step 4
Enter the contact name.
Step 5
Then press the down navigation arrow and enter the phone number.
Step 6
When finished, select the Add soft key.
Place a Call from a Shared Line
With shared line appearance, authorized users can place and receive calls from other users’ lines. If you are authorized to share a line with another user, you can see that user’s identity in the display, and you can place and receive calls from the shared line.
To place a call from a shared line:
Step 1
Tap the shared line.
Step 2
Enter the party’s valid 10-digit number.
Step 3
Press the Send soft key.
Step 4
To receive a call on a line that you are sharing, when the line is ringing, tap line, then tap Answer.
Access Your Voicemail
A message waiting indicator notifies you when you have a new voicemail message.
To check your voicemail:
Step 1
Press the Messages button.
Step 2
When prompted, enter your voicemail passcode followed by the pound key.
Step 3
Follow the audio prompts to retrieve your voicemail messages.
Note: If you forget your voicemail passcode, please contact your system administrator to have it reset.