Verizon One Talk T42U User manual

One Talk
T42U IP Phone
User Guide
verizon.com/support/one-talk/
verizon.com/support/yealink/
T42U

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Table of contents
Table of contents......................................................................................................................... 2
Before you begin.......................................................................................................................... 5
Getting started ............................................................................................................................. 5
Hardware overview ..........................................................................................................................................................5
T42U hardware............................................................................................................................................................5
Power LED indicator ....................................................................................................................................................6
Line key LED................................................................................................................................................................7
Screen and icons .............................................................................................................................................................7
Idle screen ...................................................................................................................................................................7
Calls screen.................................................................................................................................................................8
Icons in the status bar..................................................................................................................................................8
Line key icons..............................................................................................................................................................8
Entering characters on the T42U .....................................................................................................................................9
Call features.................................................................................................................................. 9
Placing calls.....................................................................................................................................................................9
Placing a call from the dialer........................................................................................................................................9
Placing multiple calls..................................................................................................................................................10
Placing a call with a speed dial key............................................................................................................................10
Redialing a number....................................................................................................................................................10
Placing an international call*......................................................................................................................................10
Placing a call from the call history..............................................................................................................................11
Placing a call from the directory.................................................................................................................................11
Answering calls..............................................................................................................................................................11
Answering a call.........................................................................................................................................................11
Answering a call when in a call..................................................................................................................................11
Switching among the handset, speakerphone and headset modes ...............................................................................12
Rejecting a call manually ...........................................................................................................................................12
Rejecting anonymous calls ........................................................................................................................................12
Rejecting calls with Do Not Disturb (DND).................................................................................................................12
Ending calls................................................................................................................................................................12
Holding and resuming calls............................................................................................................................................12
Holding a call .............................................................................................................................................................13
Resuming a held call..................................................................................................................................................13
Redirecting incoming calls..............................................................................................................................................13
Forwarding all incoming calls to a contact..................................................................................................................13
Forwarding all incoming calls on all lines...................................................................................................................13
Deactivating call forward............................................................................................................................................14
Transferring calls............................................................................................................................................................14
Performing a direct transfer........................................................................................................................................14
Performing a consultative transfer .............................................................................................................................14
Local conference........................................................................................................................................................15
Setting up a local conference call ..............................................................................................................................15
Merging two calls into a conference...........................................................................................................................15
Recording using a USB flash drive.................................................................................................................................15
Recording a call.........................................................................................................................................................15
Pausing/resuming a recording ...................................................................................................................................16
Stopping a recording..................................................................................................................................................16
Managing the recordings............................................................................................................................................16
Listening to a recording..............................................................................................................................................16
Viewing the available recording time..........................................................................................................................17
Paging............................................................................................................................................................................18
Setting a paging key ..................................................................................................................................................18
Advanced call features ............................................................................................................ 18
Call park and call retrieve...............................................................................................................................................18
Intercom.........................................................................................................................................................................18
Group call park and call retrieve.....................................................................................................................................19

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Short Message Service (SMS).......................................................................................................................................20
Voice mail.......................................................................................................................................................................21
Directory ......................................................................................................................................22
Local directory................................................................................................................................................................22
Managing the local directory groups..........................................................................................................................22
Adding contact groups ...............................................................................................................................................22
Editing contact groups ...............................................................................................................................................22
Deleting contact groups .............................................................................................................................................23
Managing the local directory contacts........................................................................................................................23
Adding contacts .........................................................................................................................................................23
Viewing contacts........................................................................................................................................................23
Editing contacts..........................................................................................................................................................23
Deleting a contact ......................................................................................................................................................24
Deleting all contacts...................................................................................................................................................24
Moving a local directory contact to blacklist...............................................................................................................24
Searching for contacts ...............................................................................................................................................24
Blacklist..........................................................................................................................................................................24
Adding a blacklist contact...........................................................................................................................................24
Viewing blacklist contacts ..........................................................................................................................................24
Editing a blacklist contact...........................................................................................................................................25
Deleting blacklist contacts..........................................................................................................................................25
Deleting a blacklist contact.........................................................................................................................................25
Deleting all blacklist contacts.....................................................................................................................................25
Moving a blacklist contact to the local directory.........................................................................................................25
Remote phone book.......................................................................................................................................................25
Searching for remote phone book contacts................................................................................................................25
Viewing remote phone book contacts ........................................................................................................................26
Call history...................................................................................................................................26
Call history icons............................................................................................................................................................26
Viewing history records..................................................................................................................................................26
Saving a history record to local directory .......................................................................................................................26
Saving a history record to blacklist.............................................................................................................................26
Deleting history records .................................................................................................................................................27
Deleting a call record .................................................................................................................................................27
Deleting all call records..............................................................................................................................................27
Customizing your phone..........................................................................................................27
Changing the administrator password............................................................................................................................27
Changing the backlight and time....................................................................................................................................28
Adjusting the screen backlight........................................................................................................................................28
Changing the language..................................................................................................................................................28
Time & date....................................................................................................................................................................28
Setting the time and date manually................................................................................................................................29
Changing the time and date format............................................................................................................................29
Phone lock .....................................................................................................................................................................29
Accessing the Advanced Settings with Administrator Password................................................................................29
Setting the phone lock ...............................................................................................................................................29
Locking your phone manually ....................................................................................................................................30
Unlocking your phone ................................................................................................................................................30
Changing your phone unlock PIN ..............................................................................................................................30
Audio settings............................................................................................................................ 30
Adjusting the volume......................................................................................................................................................30
Setting the ring tone.......................................................................................................................................................30
Setting a ring tone for the Phone ...............................................................................................................................31
Setting a ring tone for an account..............................................................................................................................31
Setting a ring tone for a contact.................................................................................................................................31
Disabling the key Tone...................................................................................................................................................31
Optional accessories with your phone................................................................................. 31
Headset..........................................................................................................................................................................32
Wireless headset .......................................................................................................................................................32
Bluetooth headset......................................................................................................................................................32

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USB headset..............................................................................................................................................................32
Using headsets..........................................................................................................................................................32
Bluetooth........................................................................................................................................................................32
Activating the Bluetooth mode ...................................................................................................................................33
Pairing and connecting the Bluetooth headset...........................................................................................................33
Viewing the Bluetooth device information ..................................................................................................................33
Editing device name of your phone............................................................................................................................33
Deleting the paired Bluetooth device .........................................................................................................................34
Disconnecting the Bluetooth device...........................................................................................................................34
Deactivating the Bluetooth mode...............................................................................................................................34
Wireless network............................................................................................................................................................34
Activating the Wi-Fi mode..........................................................................................................................................34
Connecting to the wireless network ...........................................................................................................................34
Connecting to an available wireless network manually..............................................................................................35
Adding a wireless network manually..........................................................................................................................35
Viewing the wireless network information ..................................................................................................................35
Managing the saved wireless network .......................................................................................................................35
Deactivating the Wi-Fi mode......................................................................................................................................36
Maintaining your phone........................................................................................................... 36
Rebooting your phone....................................................................................................................................................36
Resetting to factory settings...........................................................................................................................................36
Notices .........................................................................................................................................37
Technical support...........................................................................................................................................................37
Important customer information......................................................................................................................................37
WEEE warning...............................................................................................................................................................37
Warranty.........................................................................................................................................................................38
Important 911 emergency response information............................................................................................................38
Declaration of conformity ...............................................................................................................................................38
Part 15 FCC rules ..........................................................................................................................................................38
Class B digital device or peripheral................................................................................................................................38
Important safety precautions..........................................................................................................................................39
Danger–electric shock and fire.......................................................................................................................................39
Learn more.....................................................................................................................................................................39

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Before you begin
This guide provides information you need to use your new phone.
Be sure to read the Quick Start Guide which can be found in your phone package before you set up and use the phone.
As you read this guide, keep in mind that some features are only configurable by your system administrator. 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.
Getting started
Before you use your phone, take some time to get familiar with its features and user interface.
Hardware overview
Understanding the phone hardware helps you easily use the phone's features. Before you use your phone, take some
time to get familiar with its features and user interface. The terms "the phone" and "your phone" refer to the T42U phone.
Understanding the phone hardware helps you easily use the phone's features.
Hardware
T42U
Screen
Grayscale
Line keys and soft keys
Yes
USB Port
Yes
T42U hardware

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NO.
Item
Description
1
Phone screen
Shows a screen with backlight that enables you to view menus and data.
2
Power LED
indicator
Indicates call status, message status and system status of the phone.
3
Line keys
Accesses your phone lines and features.
4
Headset key
Toggles the headset on or off. The LED indicator glows green when the headset is
activated.
Mute key
Toggles the microphone on or off. The LED indicator glows green when the mute
feature is activated.
5
Message key
Accesses your voice messages.
Hold key
Places a call on hold or resumes a held call.
Redial Key
Redials a previously dialed number.
Transfer key
Transfers a call.
6
Speakerphone key
Toggles the speakerphone (hands-free) mode on or off. The LED indicator glows
green when the speakerphone is activated.
7
Volume key
Adjust the volume of the handset, headset and speaker.
8
Keypad keys
Allow you to enter numbers, letters and special characters. If a menu item has an
index number, you can use the keypad keys to select the item.
9
Navigation keys
• Scroll through information or options displayed on the screen.
• Access history and directory respectively.
OK key
Confirms actions or answers incoming calls.
Cancel key
Cancels actions or rejects incoming calls.
10
Soft keys
Access the function displayed on the screen above the soft keys. The soft keys
change depending on what you are doing at the time.
11
Speaker
Provides ringer and speakerphone audio output.
12
Reversible tab
Secures the handset in the handset cradle when the phone is mounted vertically.
For more information on how to adjust the reversible tab, refer to Yealink Wall
Mount Quick Installation Guide for Yealink IP Phones .
13
Hook switch
Connects or disconnects the phone from the phone line. The hook switch is
automatically activated when a user lifts the handset from the cradle to get a
dial tone.
Power LED indicator
The power LED indicator indicates the call, message and phone’s system status.
LED Status
Description
Solid red
The phone is initializing.
Fast-flashing red (0.3s)
The phone is ringing.
Slowly-flashing red (1s)
The phone receives a voice mail or text message.

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Line key LED
The line key LED indicators are associated with the status of phone lines and features.
Line key LED (associated with the phone line)
LED Status
Description
Solid green
The line is in conversation.
Fast-flashing green
The line receives an incoming call.
Slowly-flashing green
The call is placed on hold.
Off
The line is inactive.
Line key LED (configured as a page switch key)
LED Status
Description
Solid red
There is a call parked on the line, and the line key is not on the current page.
Fast-flashing green
The line receives an incoming call, and the line key is not on the current page.
Fast-flashing red
The monitored user whose line key is not on the current page receives an incoming call.
Off
The line keys are idle.
Screen and icons
The user screens and icon indicators can help you navigate and understand the important information on the
phone's status.
Idle screen
The idle screen is made up of the status bar, line keys and soft keys. The time & date in the status bar or middle of the
screen varies by phone models.
Status bar: Display the default account, feature status icons and the time. The status icons are displayed when
features are activated.
Line keys: Display the information associated with the line keys and feature keys on thephone.
Page icons: The page icons appear only when you assign functionality to line key located in line key 7-15
on the T42U
Soft keys: Each soft key label indicates the action for the soft key below the screen.
More key:Tap to display more line keys.

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Calls screen
All of your active and held calls are displayed on the calls screen. You can press up or down navigation key to switch
among calls.
The calls screen can display the local name or number. Check with your system administrator to find out if this feature is
available on the phone. When there is an active call and a held call, the calls screen is shown below:
During a call, you can press the OK key to view the current time & date and phone status. The phone screen is
shown below:
Icons in the status bar
The icons in the status bar help you easily get the current phone status, such as call and message status. Icons in the
status bar vary by phone models.
Icons
Description
Icons
Description
Wired network is unavailable
Ringer volume is 0
Speakerphone (hands-free)
mode
Phone Lock
Handset mode
Missed calls
Headset mode
Call forward
Voice Mail
Recording starts successfully (Using a
USB flash drive)
Auto Answer
Recording is paused (Using a USB
flash drive)
Do Not Disturb (DND)
Network is unreachable
Line key icons
By viewing the line key icons, you can easily get the function of the line key. Icons in the line keys vary by phone models.
Icon indicators (associated with line)
Icons
Description
Icons
Description
The line is registered
successfully.
The shared/bridged line is registered
successfully.
Register failed.
Registering.
DND is enabled on this line.
Call forward is enabled on this line.

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Entering characters on the T42U
On the T42U phone, you can use the keypad keys on your phone to enter or update field information. The following
table describes how to enter different characters using the keypad keys.
Task
Action
Switch input
modes
Press the ABC, abc, Abc, 2aB, or 123 soft key to switch the input modes.
Enter alphas
Select ABC, abc, 2aB, or Abc mode. Press a keypad key repeatedly to view the
character options and stop when the letter you want to enter is displayed in the field.
Wait one second and then enter the next letter.
Enter numbers
Select 123 mode, press the corresponding keys.
Enter special
characters
Select ABC, abc, 2aB, or Abc mode, press * key or # key one or more times to enter one
of the following special characters:
* key: *.,'?!\-()@/:_;+&%=<>￡$¥¤[]{}~^¡¿§#"|
# key: #
In 123 mode, you can press the * key to choose the following special characters: .*:/@[].
Insert space
Select ABC, abc, 2aB, or Abc mode, press the 0 key.
Move cursor
Press or to position the cursor.
Delete one or
more characters
Position the cursor to the right of the character, and select the Delete soft key.
Call features
You can use the phone to place and answer calls, ignore incoming calls, transfer a call to someone else, conduct a
conference call and perform other basic call features.
Placing calls
You can use your phone like a regular phone to place calls in many ways easily.
Placing a call from the dialer
The Dialer enables you to enter a number to place a call, and it displays a list of previously placed calls or contacts in
your directory.
You can also select the desired contact from the search list, the placed call list or directory. On the T42U phone, you can
select the desired contact from the left sidebar, or select a contact from the directory or History Procedure.
1.
Do one of the following:
Start typing a phone number.
Select the desired line key.
Pick up the handset, press the Speakerphone key or the HEADSET key.
2.
Enter a number or highlight acontact.
3.
Select Send.

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Placing multiple calls
When you are in a call, you can hold your current call and place a new call.
Procedure
1.
Do one of the following:
Select a line key. The active call is placed on hold.
Press the HOLD key or select Hold to place the original call on hold. Select New Call (New Call).
2.
Enter the desired number or select acontact.
3.
Select Send.
Placing a call with a speed dial key
You can quickly dial a number by using a Speed Dial key.
Procedure
1.
Select the desired line key.
2.
Select Speed Dial from the Type field.
3.
Do one of the following:
•(Optional.) Enter the string that will appear on the phone screen in the Label field.
•Enter the contact number you want to dial out directly in the Value field.
•You can also enter the contact number with the DTMF sequence that you want to send in the Value field.
•The Contact number and DTMF sequence are separated by commas. One comma stands for 500 milliseconds.
For example, 1234,,123# means the phone dials out the number 1234 first, then after the call is set up for 1
second, it sends the DTMF sequence 123# to the remote party.
•Select Save.
Tip: By default, you can long press the desired line key to set it.
When the phone is idle, you can press the Speed Dial key to call a contact quickly. The phone calls a contact using the
configured line by default. If you want to call a contact using another line, you can first press the line key, and then press
the Speed Dial key.
Redialing a number
The phone keeps a record of all the placed calls. You can recall the contact you recently called.
Procedure
1.
Press the REDIAL key.
A record of Placed Calls is displayed on the phone screen.
2.
Highlight the desired record, select Send.
Tip: Press the REDIAL key twice to recall the contact you called.
Placing an international call*
You can place calls to international phone numbers on your phone.
Procedure
1.
Long press digit key 0 on the phone keypad until the plus sign (+) appears.
2.
Enter the phone number with the country code.
3.
Select Send.
*The ability to place international calls must have been added to your One Talk line.

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Placing a call from the call history
You can place calls to contacts from the history list, which contains the calls that were recently placed, answered,
missed or forwarded.
Procedure
1.
Press History or navigate to Menu > History.
The phone screen displays all call records.
2.
Select the desired call list.
3.
Highlight a contact and select Send.
Placing a call from the directory
You can place a call to a contact directly from your directory.
Procedure
1.
Select Directory (Dir) or navigate to Menu > Directory > Local Directory.
2.
Select the desired contact group or All Contacts.
3.
Highlight the desired contact and selectSend. If the selected contact has multiple numbers, highlight the desired
number and select Send.
Answering calls
When you receive a call, you can choose to answer it manually or automatically.
Answering a call
When you receive an incoming call, the phone rings and the screen displays the information of the incoming call. You can
choose to answer the incoming call.
Procedure
Do one of the following:
Pick up the handset.
Press the Speakerphone key .
Press the HEADSET key.
Press Answer or the line key that hasthe flashing green LED indicator.
The call is answered in the speakerphone (hands-free) mode by default.
Answering a call when in a call
You can answer a call when there is already an active call on your phone.
When you are in an active call and an incoming call arrives on the phone, a call waiting tone beeps and the incoming call
information is displayed.
Procedure
1.
Select Answer.
The active call is placed on hold, and the incoming call becomes active.
Note: You can disable the call waiting feature to reject the incoming call automatically during a call.

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Switching among the handset, speakerphone and headset modes
You can select the desired mode before placing a call or can alternate among Speakerphone, headset, and hand- set
modes during a call.
When using the speakerphone or the headset, the LED indicator glows green.
Procedure
1.
During the call, pick up the handset, press the Speakerphone key , or press the HEADSET key.
For example, if you're using the handset, press the HEADSET key to switch to the headset, or press the
Speakerphone key to switch to the speakerphone.
Rejecting a call manually
You can reject a call manually, and the call may be sent to voice mail. The rejected calls are displayed in the Received
Calls list in your History list.
Procedure
1.
Select Reject.
Rejecting anonymous calls
You can reject incoming calls from the callers who have hidden their identities. As a result, your phone will not ring and
you will not be notified of an attempted call.
Procedure
1.
Navigate to Features > Anonymous Call Rejection.
2.
Turn on or off Anonymous Call Rejection.
3.
Press OK.
Rejecting calls with Do Not Disturb (DND)
You can enable DND to reject all incoming calls automatically when you do not want to be interrupted.
Ending calls
You can end the current call at any time.
Procedure
1.
Do one of the following:
If you are using the handset, press the Cancel key, End Call (EndCall) or hang up the handset.
If you are using the headset, press the Cancel key or End Call (EndCall).
If you are using the speakerphone, press the Cancel key, Speakerphone key or End Call
(EndCall).
Holding and resuming calls
You can place an active call on hold and resume the call when you are ready. When you place a call on hold, the held
party may hear the music if Music On Hold was configured in the One Talk portal.

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Holding a call
You can place an active call on hold on your phone.
Procedure
1.
Press the HOLD key or select Hold during a call.
The phone ignores engaged audio device (handset or headset) and plays beep in the Speakerphone (hands-free) mode
by default. The Speakerphone key will always light up and the phone will beep softly every 30 seconds to
remind you that you still have a call on hold.
Note: When you have multiple calls on the phone and the current call is held, you can press the corresponding line key to
swap to the active call.
Resuming a held call
You can view and resume a held call on the phone.
Procedure
1.
Press the Resume key.
If multiple calls are placed on hold, select the desired call first.
Redirecting incoming calls
When you are not available to answer calls on your phone, you can forward the calls to another phone.
Forwarding all incoming calls to a contact
You can set up the forwarding type which enables your phone to forward all incoming calls to a contact. There are three
types of forwarding:
Always forward: Forwards all incoming callsimmediately.
Busy forward: Forwards incoming calls when you are busy in a call.
No answer forward: Forwards incoming calls when no one answers the calls.
Forwarding all incoming calls on all lines
You can forward all incoming calls on the phone.
Procedure
1.
Navigate to Features > Call Forward.
2.
Select the desired forwarding type and select Enabled or On from the corresponding field.
3.
Press Enter.
4.
Select Enable/Disable.
5.
Enter the number to forward to.
6.
Select Save.

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Deactivating call forward
You can deactivate the call forward when you no longer want to forward your calls.
Procedure
1.
Navigate to Features > Call Forward.
2.
(Optional.) If the forward is activated for a specific line, select the desired line.
3.
Select the desired forwarding type and select Disabled or Off from the corresponding field.
4.
Select Save.
Transferring calls
During a call, you can transfer the call to another contact. You can use one of three ways:
Direct transfer: Transfer a call directly to the third party without consulting.
Consultative transfer: Transfer a call with prior consulting.
Performing a direct transfer
You can transfer a call to another contact immediately without consulting with her/him first.
Procedure
Press the TRANSFER key during a call.
1.
Do one of the following:
Enter the number or select a contact from the placed call list you want to transfer to.
If you have set a Speed Dial key, you can also press the Speed Dial key to transfer the call to the
contact directly.
Press Directory. Select the desired contact from the Directory list.
2. Press the TRANSFER key to complete the transfer.
Tip: If you are using a handset, the transfer can be completed by hanging up the handset.
Performing a consultative transfer
You can transfer calls to other contacts after you check with the other party first.
Procedure
1.
Press the TRANSFER key or select Transfer during a call.
2.
Do one of the following:
Enter the number or select a contact from the placed call list you want to transfer the call to.
Select Directory. Select the desired contact from the Directory list.
3.
Press the OK key or selectSend.
4.
Do one of the following:
When you hear the ring-back tone,press the TRANSFER key or Transfer to finish a semi-attended transfer.
After the contact answers the call, press the TRANSFER key or Transfer to finish an attended transfer
(consultative transfer).
Tip: If you are using a handset, the transfer can be completed by hanging up the handset.

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Conference calls
The phone supports creating local conference.
During the conference, follow these tips:
Use the handset or a headset if you're in an open environment.
Mute your microphone when you are not speaking, especially in noisy environments.
Avoid tapping or rustling papers near the microphone.
Speak in your normal voice without shouting.
Local conference
You can initiate a six-way conference (including the host) calls with your contacts on the phone.
Setting up a local conference call
Procedure
1.
Place a call to the first party.
Select Conference (Conf) to place a newcall. You may have to press More button, once to
see the Conference.
The active call is placed on hold.
2.
Dial the second party’s number.
3.
When the second party answers the call, select Conference (Conf) to add the second party to the conference.
4.
Repeat the above steps to add more parties to theconference.
Merging two calls into a conference
You can invite a held call into a conference call with the active call.
Procedure
1.
Place two calls on the phone.
2.
Select the desired call for a conference and ensure that the call is active.
3.
Press More button, then select Conference (Conf).
4.
Highlight the desired hold call and select Send or Select.
Recording using a USB flash drive
You can record active calls onto a USB flash drive connected to your phones, and the recordings are saved as
*.wav files.
Note: The size of a single recording file should be less than 2G. The T42U support USB flash drive in FAT32 only.
Recording a call
You can record the important parts during an active call.
Make sure that the USB flash drive has been connected to your phone.
Procedure
1.
During a call, select More > Start REC.

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Pausing/resuming a recording
When you do not want the current sensitive information to be recorded, you can pause the recording.
After pausing, you can resume it at any time and the recording continues and will be saved in the same file.
Procedure
1.
Select Pause REC to pause a recording.
The pause recording icon appears on the phone screen and the duration stops counting.
2.
Select Resume REC to resume a recording.
Note: If you hold the call during the recording, none of the parties will be recorded until you resume the call.
Stopping a recording
You can stop recording a call before the call ends. The recording also stops when the active call ends. The recording will
be saved as a "*.wav" file in the USB flash drive automatically.
Procedure
1.
Do one of the following:
Select Stop REC.
The recording icon and recording duration disappears. The screen prompts a message that the call is
recorded successfully .
Select End Call (EndCall).
The recording icon and recording duration disappears, and the phone returns to the idle screen. The screen
prompts a message that the call is recorded successfully.
Managing the recordings
After stopping recording, you can manage the recordings on your phone. Make sure the USB flash drive is still inserted in
the phone.
Listening to a recording
You can browse and play back the recordings on your phone.
During the recording plays, you can switch among Speakerphone (hands-free) modes by pressing the Speakerphone key
, Handset modes by pressing the HEADSET key or Handset mode by picking up the handset.
Tip: You can also play back the recordings on a PC using an application capable of playing the "*.wav" file.
Procedure
1.
Navigate to Menu > USB > Browse Audio.
The phone screen shows all recorded files (filename, duration time and file size)
in the Browse Audio list. The filename consists of the recording time & date, the other party’s
number/IP address/name (or the first person’s number/IP address/name you called).
2.
Highlight the desired file, and selectPlay.
The length of the recording and a progress bar are displayed as the recording plays.
Pausing/resuming a playback

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When you are playing a recording, you can pause it manually to take note.
When you receive an incoming call while playing a recording, the recording is paused automatically. You can resume the
playback after handling the call.
Procedure
1.
Select Pause to pause the playback. The Play soft key appears on the phone screen.
2.
Select Play to restart the playback.
Fast forwarding/rewinding a playback
While a recording plays, you can fast forward or rewind the playback at any time.
Procedure
Select Fast Forward ( ) to skip forward the playback. Press once to skip forward 8 seconds.
Select Fast Rewind ( ) to rewind the playback. Press once to rewind 8 seconds.
On the T48U phones, drag the slider to skip forward the playback or rewind the playback.
Deleting a recorded call
You can delete the recordings when you need additional space on your USB flash drive or the recordings are use- less.
Procedure
1.
Navigate to Menu > USB > Browse Audio.
2.
Highlight the desired recording, and select Delete.
The phone prompts you to delete the audio or not.
3.
Select OK.
Viewing the available recording time
You can view the available recording time on your phone, to avoid recording failure due to timeout.
When you insert a USB flash drive to the phone during a call, a message will pop up to tell you how much time is available
for recording.
During a recording, if there is insufficient free space (30 minutes or 10 minutes left) on the USB flash drive, the phone will
prompt you a message (XX minutes left for call recording). If no free space on the USB flash drive during recording, the
recording is stopped and saved in the USB flash drive automatically.
You can also view the storage space of the USB flash drive, and check the available recording time before recording.
Procedure
1. Navigate to Menu > USB > Storage Space.

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Paging
Paging allows you to broadcast instant audio announcements to users who are listening to a specific multicast message
to all the Desk phones connected to the same LAN.
Setting a paging key
You can set a Multicast Paging key for a paging group, which allows you to send announcements quickly
on the idle screen.
Procedure
1.
Navigate to Features > Paging.
2.
Enable Send Paging and Accept Paging.
3.
Select Save.
4.
Select the desired line key.
5.
Select Key Event from the Type field.
6.
Select Paging from the Key Typefield.
7.
Select Save.
Tip: By default, you can long press the desired line key to set it.
Advanced call features
You can perform some server-dependent tasks on the phone. Contact your system administrator to find out if your
phone supports these advanced call features.
Call park and call retrieve
You can park a call, and then retrieve the call either from your phone or another phone. After parked, the call is placed on
hold, you can continue the conversation after retrieving it.
Parking or retrieving a call with a park or retrieve key
You can easily use a park key to park a call to a specific extension, and quickly retrieve this parked call using a retrieve key.
State indicator of the park/retrieve key
On the T42U phone, you can get the call park/retrieve status by viewing the icon indicator of the park/retrieve key.
Intercom
Intercom is a useful feature in an office environment to quickly connect with another extension.
Intercom enables you to place an intercom call that is answered automatically on the contact's phone as long as the
contact is not in an active call.
Placing an intercom call
You can place an intercom call to quickly relay a message to a contact.
The target phone plays a warning tone and automatically answers the call in speakerphone (hands-free) mode by
default. When the target phone has an active call, the intercom call is answered automatically after the active call ends.

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Procedure
1.
Select the desired line key.
2.
Select Intercom from the Type field.
3.
Select the desired line from the Account ID field.
4.
Do one of the following:
(Optional.) Enter the string that will appear on the phone screen in the Label field.
Enter the target extension number in the Valuefield.
5.
Select Save.
6.
Press the Intercom key to place an intercom call.
Answering an intercom call
By default, when there is an incoming intercom call, the phone plays a warning tone and automatically answer the
incoming call.
During the intercom call, you can switch among the Speakerphone (hands-free), Handset and headset modes. If your
phone is set to answer intercom calls with your microphone muted, you need to press the Mute key to unmute your
microphone before responding to the call.
You can configure the following behaviors when receiving an intercom call.
Intercom accept
Intercom Allow feature allows the phone to automatically answer an incoming intercom call. If you disable this feature,
the phone will handle an incoming intercom call like a normal incoming call.
Intercom mute
Intercom Mute feature allows the phone to mute the microphone when incoming intercom calls are
answered automatically.
Procedure
1.
Menu > Features > Intercom.
2.
Make the desired changes in the Accept Intercom and Intercom Mute options.
3.
Select Save.
Group call park and call retrieve
You can Group park a call, and then retrieve the call either from your phone or another phone. After a call is parked, the
call is placed on hold, you can continue the conversation after Retrieving it. Ask your administrator to define and enable
Group Call Park feature.
Procedure
1.
When user is in an Active call, press More.
2.
Select GPark. The call goes (transferred) to the 1st available device in the “Group Call park” group (top-down order)
3.
The End point device (which call is transferred to) will see a message indicating that there is call parked on that
device. The device will display the Retrieve soft key to pick up the call.

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Short Message Service (SMS)
Text messages can be stored in your phone’s Inbox, Sent box, Outbox or Draft box and each box stores up to
50 text messages.
If there are more than 50 text messages in any one of the boxes, the phone will automatically delete the oldest text
message in the box.
Reading a text message
You can read your text messages on the phone, to obtain text information sent by a contact.
Procedure
1.
Navigate to Menu > Message > SMS Message >Inbox.
2.
Highlight the desired message and selectView.
Sending a text message
The phones can send text messages.
Procedure
1.
Navigate to Menu > Message > SMS Message > NewMessage.
2.
Compose the new text message.
3.
Press Send.
4.
Select the desired account from the Fromfield.
5.
Do one of the following:
•Enter the number you want to send the message to in the To field.
•Select a number from Directory.
6.
Send the message.
Replying to a text message
You can reply to a message after reading a text message.
Procedure
1.
Navigate to Menu > Message > SMS Message >Inbox.
2.
Highlight the desired message and selectReply.
3.
Compose the new text message.
4.
Select Send.
Quick reply to a text message
There are six canned Quick Reply messages. You can add or alter these messages (max 10).
Procedure
1.
Navigate to Menu > Message > SMS Message >Inbox.
2.
Highlight the desired message and selectView.
3.
Press Quick Reply. Select a desired message and press Send.