Yealink SIP-T48S Instruction manual

Quick User Guide
Yealink SIP-T48S

Overview Telephone
Item
Description
1
Power Led
Displays the status of the device
2
Touch Screen
Displays various device information on the screen
Calls / messages and softkeys date and time
3
Headset Key
Turn the headset on/off if connected
4
Mute Key
Mutes the microphone and the calling party is still
audible
5
Hold Key
Puts a call on hold
6
Transfer Key
Transfers a call
7
Speaker Key
Switches the speaker on/off for hands-free calling
8
Message Key
Access to the Voice Mail
9
Redial Key
Access to the call history
10
Scroll Keys
Use the arrows to scroll through the displayed information / OK
confirm and X to cancel
11
Volume Key
Adjusts the volume of the handset / headset / speaker and
the ringtone
12
Key Pad
Provides the numbers, letters and special characters in context-sensitive
applications

Navigating the touch screen
•To enter the main menu, tap .
•To return to the idle screen, tap .
•To go back to the previous menu, tap .
•To select a soft key, tap the soft key.
•To select an item, tap the item.
•To turn pages, tap on the touch screen.
•To scroll through values in a pull-down list, press .
Making a call
Via the handset:
1. Pick up the handset.
2. Enter the number.
3. Press the Send soft key.
Via the spreaker:
1. With the handset on-hook, press .
2. Enter the number, then press the Send soft key.
Via the headset:
1. With the headset connected, press to activate de headset mode.
2. Enter the number, and then press the Send soft key.
Note: During a call you may alternate between headset, hands-free speaker and handset modes by pressing the
Headset key or Speaker key or by picking up the handset. Headset mode requires a headset be connected to the
phone.
Multiple calls:
1. Press the line key. The active call is placed on hold.
2. Enter the desired number using the keypad.
3. Tap the Send soft key.
4. You can press to switch between calls, then tap again to resume the
desired call.
Answering a call
Via the handset:
Pick up the handset.

Via the spreaker:
Press .
Via the headset:
Press .
Note: You may ignore an incoming call by tapping the Reject soft key.
Ending a call
Via the handset:
Hand up the handset or press the End Call soft key.
Via the spreaker:
Press or press the End Call soft key.
Via the headset:
Press the End Call soft key.
Redial
Press to enter the Placed call list and then tap the desired entry.
Press twice when the phone is idle to call the last dialed number.
Muting a Call
Press to mute the microphone during a call.
Press again to un-mute the call.
Putting a call on hold
1. Press or tap the Hold soft key during an active call.
2. To resume a held call, press the Resume soft key.
3. If there is only one call on hold, press or tap the Resume soft key.
4. If there is more than one call on hold, tap the call you want to resume, then press
or tap the Resume soft key.
Transfering a call
There are three ways to transfer a call: Blind Transfer, Attended Transfer and Semi-
Attended Transfer.

Blind Transfer:
1. Press or tap the Transfer soft key during an active call. The call is placed on hold.
2. Enter the number you want to transfer to, then press or tap the Transfer soft
key.
Semi-Attended Transfer:
1. Press or tap the Transfer soft key during an active call. The call is placed on hold.
2. Enter the number you want to transfer to, then press .
3. Press or tap the Transfer soft key when you hear the ring-back tone.
Attended Transfer:
1. Press or tap the Transfer soft key during an active call. The call is placed on hold.
2. Enter the number you want to transfer to, then press .
3. Press or tap the Transfer soft key when the second party answers.
Forwarding a call
1. When the phone is idle, tap > Call Features > Call Forward.
2. Select the desired forward type:
Always Forward: Incoming calls are all forwarded unconditionally.
Busy Forward: Incoming calls are forwarded when the phone is busy.
No Answer Forward: Incoming calls are forwarded when the phone is not answered after a
preset time period.
3. Enter the number you want to forward to. For No Answer Forward, tap the pull-down
list of After Ring Time then tap the desired ring time to wait before forwarding.
4. Tap the Save soft key to accept the change.
Conference call
1. Tap the Conference soft key during an active call. The call is placed on hold.
2. Enter the number of the second party, then tap the Send soft key.
3. Tap the Conference soft key again when the second party answers. All parties are now
joined in the conference.
4. Hang up to disconnect yourself. The other parties will remain connected. Tap the End
Call soft key to disconnect all parties.
Note: You may split the conference call into two individual calls by tapping the Split soft key.

Voice Mail
The Message Waiting Indicator on the idle screen indicates that you have new voice
messages waiting. The Message key LED lights up in red.
Listening to voice messages:
1. Tap then tap the Connect soft key or press .
2. Follow the voice prompts to listen to your voice messages. Alternatively you can dial
1000 to access the Voicemail system at any time. The system will prompt for your
password.
Contact Directory
Adding a contact:
1. When the phone is idle, tap then tap the desired group on the left.
2. Tap Add to add a contact.
3. Enter a unique contact name in the Name field and contact numbers in the
corresponding fields.
4. Tap the Save soft key to accept the change.
Note: If your phone firmware is updated, contacts entered in this manner will be lost.
Editing a contact:
1. When the phone is idle, tap then tap the desired group on the left.
2. Tap after the desired contact.
3. Update the contact information.
4. Tap the Save soft key to accept the change.
Deleting a contact:
1. When the phone is idle, tap and then tap the desired group on the left.
2. Tap after the desired contact, then tap Delete.
3. Tap the OK soft key when the LCD screen prompts “Delete the Selected Contact?”
Volume Adjustment
Press during a call to adjust the receiver volume of the handset /
speakerphone/headset.
Press when the phone is idle to adjust the ringer volume.

Ring tone
1. Tap then select Basic > Sound > Ring Tones.
2. Tap the desired ring tone.
3. Tap the Save soft key to accept the change or to cancel.