Basic Usage for SIP-T48U

Navigate 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, tap the soft key.
• To select an item, tap the item.
• To turn pages, tap  or  on the touch screen.
• To scroll through values in a pull-down list, press  or .

Enter and Update Data

To enter data:

1. Tap the field you want to edit.
2. Tap the IME to switch input modes.
3. Enter data using the keypad.
4. Tap Save.

To select a field option:

• Tap the field name, then tap the field’s highlighted box. From the pull-down list, tap the desired option.

Place Call

Using the handset:

1. Pick up the handset.
2. Enter the number and press Send key.

Using the speakerphone:

1. With the handset on-hook, press .
2. Enter the number and press Send key.

Using the headset:

1. With the headset connected, pressto activate the headset mode.
2. Enter the number and press Send key.

During a call, you can alternate between the headset, hands-free speakerphone and handset modes by pressing the HEADSET key, the Speakerphone key or by picking up the handset. Headset mode requires a connected headset.

Answer Call

Using the handset:

• Pick up the handset.

Using the speakerphone:

• Press .

Using the headset:

• Press .

You can reject an incoming call by pressing the Reject key.

End Call

Using the handset:

• Hang up the handset or press EndCall.

Using the speakerphone:

• Press  or EndCall.

Using the headset:

• Press EndCall.

Redial

• Press  to enter Placed Calls list, then tap the desired entry.
• Press  when the phone is idle to dial out the last dialed number.

Call Mute/Unmute

• Press  to mute the microphone during a call.
• Press  again to unmute the call.

Call Hold and Resume

To place a call on hold:

• Press  or Hold during an active call.

To resume the call, do one of the following:

• If there is only one call on hold, press  or Resume.
• If there is more than one call on hold, tap the call you want to resume, and press Resume.

Call Transfer

You can transfer a call in the following ways:

Blind Transfer

1. Press  or the Transer key during a call.
2. Enter the number you want to transfer to.
3. Press  or B Transer.

Semi-Attended Transfer

1. Press  or Transer key during a call.
2. Enter the number you want to transfer to and press Send.
3. Press  or Transer key when you hear the ring-back tone.

Attended Transfer

1. Press  or Transer key during a call.
2. Enter the number you want to transfer to and press Send.
3. Press  or Transer key when the second party answers.

Call Forward

To enable call forward:

1. When the phone is idle, select  > Features > Call Forward.
2. Select the desired forward type.
   Always Forward — Incoming calls are forwarded unconditionally.
   Busy Forward — Incoming calls are forwarded when the phone is busy.
   No Answer Forward — Incoming calls are forwarded if it is not answered after a while.
3. Enter the number you want to forward to. For No Answer Forward, tap the gray box of After Ring Time field, and then tap the desired ring time to wait before forwarding.
4. Press Save to accept the change.

Call Conference

1. Press the Conference during an active call. The call is placed on hold.
2. Enter the number of the second party, and then tap Conference.
3. Press the Conference again when the second party answers. All parties are now joined in the conference.
4. Press EndCall to disconnect all parties.

You can split the conference call into two individual calls by pressing Split.

Voice Message

The message waiting indicator on the idle screen indicates that one or more voice messages are waiting at the message center. The power indicator LED slowly flashes red.

To listen to voice messages:

1. Tap  and then tap Connect, or press .
2. Follow the voice prompts to listen to your voice messages.

Call History

1. When the phone is idle, tap , then tap the desired call list on the left.
2. Tap  or , or press  or  to scroll to the desired page.
3. Tap  after the desired entry, and then you can do the following:
   • Press Send to call the entry.
   • Press Delete to delete the entry from the list.
     If you press Option, you can also do the following:
     • Select Detail to view detailed information about the entry.
     • Select Add to Contacts to add the entry to the local directory.
     • Select Add to Blacklist to add the entry to the blocklist.
     • Select Delete All to delete all entries from the list.

Contact Directory

To add a contact:

1. When the phone is idle, tap , then tap All Contacts on the left.
2. Tap Add to add a contact.
3. Enter a unique contact name in Name field and contact numbers in the corresponding fields.
4. Tap Save to accept the change.

To edit a contact:

1. When the phone is idle, tap , and then tap All Contacts on the left.
2. Tap  after the desired contact.
3. Edit the contact information.
4. Press Save to accept the change.

To delete a contact:

1. When the phone is idle, tap , and then tap All Contacts on the left.
2. Tap  after the desired contact , and then tap Delete.
3. Press the OK when the LCD screen prompts “Delete selected item?”.

Volume Adjustment

• Press  during a call to adjust the receiver volume of the handset/speakerphone/headset.
• Press  when the phone is idle or ringing to adjust the ringer volume.
• Press  to adjust the media volume on the corresponding screen.