NEC Univerge DT820 Instruction manual

Issue : January 2017 DT820 DESI Less - Quick Reference Card (Release 4.0) 1
DT820 - Desi Less
Quick User Guide
for DT820 phones controlled by
SIP@Net
For detailed information please consult the
comprehensive User Guide available at :
www.nec-enterprise.com.
© NEC Nederland B.V.
All rights are reserved. Reproduction in whole or in part is prohibited
without the written consent of the copyright owner.
All brand names and product names in this document are trademarks
or registered trademarks of their respective companies.
PLACING CALLS
The icon in the display indicates that the terminal
is currently not registered with any SIP Servers.
You can not make any calls.
The icon indicates that the terminal is successfully
registered with the SIP@Net Server.
You can make calls as follows :
1. Lift the handset, press the Speaker key, or select
the NewCall Soft Key to receive dial tone.
2. Enter the phone number of the required party.
3. Press the Dial Soft Key to initiate the call, or wait
a few seconds for the call to be automatically
dialed.
4. When the dialed party answers, use the handset,
headset or Speaker to start the conversation.
ANSWERING CALLS
●Using the handset : Lift the telephone handset.
●Using the speaker : Press the Speaker key.
●Using a headset : Press the Answer key
●If you are in the Personal Directory, Call History
or Menu screens : Press the Line Key to view
the caller information and then use the handset,
speaker or headset to answer the call.
USING PHONE FEATURE KEYS
1. Call Indicator Lamp –at top corner of the display.
●Flashing : indicates an incoming call.
●Steady ON : indicates that you have a new
voice mail and the voice mail icon is
shown on the display.
2. LCD –Displays call information and options,
Menu information and soft keys.
Display for the 32 (8 keys x 4 pages) additional
programmable keys.
3. Programmable Keys –These can be additional
Line Keys or Feature Keys. Press a key to get dial
tone for that line, or to execute the programmed
feature code.
4. Exit –This key allows you to exit from the Menu
or Help mode and goes back to the main screen.
5. Scroll –Press to scroll to the next page of another
8 programmable keys in the display : maximum 4
pages, depending on the licenses granted.
6. Help –Press this key to display information about
the Soft Keys that are in the current display.
7. Soft Keys –The Soft Keys show the available
features for your current activity. Any feature
shown at the bottom of the LCD is available.
8. Recall –Refer to "Hold" and gives dial tone.
9. Feature –This key displays a set of menu options
that provide additional capabilities.

Issue : January 2017 DT820 DESI Less - Quick Reference Card (Release 4.0) 2
10. Answer –When the LED is ON, press this key to
answer an incoming call.
11. Mic –Press this key to mute the microphone.
The LED flashes when the microphone is muted.
Press the key again to un-mute the microphone.
12. Menu –Press this key to access the user settings
and information local to the phone.
13. Cursor Key –Use this key to access various
features with simple operation.
●Redial ( ) –Pressing this key re-dials the
last number dialed.
●Directory () –Pressing this key opens
Personal Directory menu.
●Up / Down –Used to adjust speaker/receiver
volume and ringer volume.
●Enter / OK key –Go to the screen which
corresponds to the highlighted menu item.
●Soft Ring Volume : Press (UP) or (DOWN) key
while soft ring tone is playing.
●Ringer Volume : Press (UP) or (DOWN) key
while not in a conversation and soft ring tone
is not playing.
●Handset, Headset and Speaker call volume:
Press (UP) or (DOWN) key during
conversation.
14. Enter Key –Shortcut Menu for frequently-used
features or confirmation of a selected menu item.
15. Speaker –Controls the built-in speaker which can
be used for Hands Free dialing/monitoring.
16. Transfer –Allows the station user to transfer
established calls to another station.
17. Hold –Places current call on hold. To resume the
held call, press the Hold key, or press the Resume
Soft Key. During a held call, you can dial another
party by pressing the NewCall Soft Key, which
provides dial tone.
LCD SETTINGS
To adjust LCD contrast
1. Press the Menu key.
2. Select 3User Settings.
3. Select 6LCD Settings.
4. Select 1LCD Contrast.
5. Use the Soft Keys (-/+) to adjust the LCD contrast.
To adjust LCD Backlight Timeout
1. Press the Menu key.
2. Select 3User Settings.
3. Select 6LCD Settings.
4. Select 2LCD Backlight Timeout.
5. Use the telephone keypad to enter a new
backlight timeout (in seconds).
6. Press the OK Soft Key.
SOFT KEYS
Soft Keys are buttons that change function depending
on the situation. Their current function is highlighted
immediately above the button on the LCD screen.
●NewCall –Generate dial tone for a call.
●Voicemail –Automatically dials the voice mail
extension on your system.
●EndCall –Terminates the current call.
●Conference/Conf –Initiates/completes a
conference.
●Resume –Take the call off Hold status.
●Dial –Dials the number.
●Delete –Delete the last digit entered (backspace).
●Reject –Transfers to your Voice Mail or
forwarding conditions.
CALL HISTORY
You can view information about Missed Calls, Placed
Calls and Answered Calls on your telephone.
The phone stores call information of the most recent
50 calls, displaying the newest entries first.
For multiple phone calls from the same telephone
number, the most recent time and date information
for that number is shown. If you have a Personal
Directory entry for a number in your Call History, the
name from the Personal Directory is shown.
The icon appears in the display when there is a
missed call. Once you have checked the missed call
log in the Call History information, this icon
disappears.
To view Missed Calls
1. Press the Menu key.
2. Select 2Call History.
3. Select 1Missed.
4. Use the Up and Down Soft Keys to scroll through
the missed call information.

Issue : January 2017 DT820 DESI Less - Quick Reference Card (Release 4.0) 3
To view Received Calls
1. Press the Menu key.
2. Select 2Call History.
3. Select 2Received Calls.
4. Use the Up and Down Soft Keys to scroll through
the received call information.
To view Placed Calls
1. Press the Menu key.
2. Select 2Call History.
3. Select 3Placed Calls.
4. Use the Up and Down Soft Keys to scroll through
the placed call information.
CALL WAITING / CONCURRENT CALLS
Note that the call waiting feature and maximum
number of concurrent calls you can receive is
determined by your system administrator.
If you have call waiting on your phone line, you will
hear a tone in your handset and the call indicator
lamp flashes when another call on the line is waiting
for consultation.
To answer the other incoming call (Call Waiting):
1. You will hear a tone that indicates you have
another call. Also, the Call Indicator Lamp on the
phone will blink and the Caller ID is shown in the
display.
2. Press the Answer key to answer the second call.
Note that after a few seconds the Caller ID of the
original party is shown in the display.
3. Do one of the following :
●Press the EndCall Soft Key to end the call.
●Press the Hold key to put the second call on
hold.
4. Press the Answer key to return to the original call.
5. Press the Hold and Answer key to return to the
second call that was put on Hold.
To place a second call (Concurrent call):
If it is enabled by your system administrator, you can
place a new call while you are on another call. They
will be treated like two separate phone calls and you
can switch between phone calls.
1. Do one of the following:
●Press the Hold key to place the current call on
hold, then press the NewCall Soft Key to get
dial tone.
●Press the Recall key to get dial tone.
2. Enter the phone number you want to call.
3. Press the Dial Soft Key to initiate the call, or wait a
few seconds for the call to be automatically
dialed.
4. When you have completed the call, press the
EndCall Soft Key to end the call and return to your
original call.
5. Press the Resume Soft Key to resume the original
call.
To switch between calls:
Press the Shuttle Soft Key to switch between the calls.
3-PARTY CONFERENCE CALLS
To conference a call
1. While on a call, press the Conference or Conf Soft
Key.
2. Use the key pad to dial the telephone number of
the party to be joined in the conference.
3. Press the Dial Soft Key to initiate the call, or wait a
few seconds for the call to be automatically
dialed.
4. If you want to transfer the held party instead,
press the Transfer key.
5. If you decide not to complete the conference,
then the call can be terminated by pressing the
EndCall Soft Key.
6. You can complete the conference by pressing the
Conference or Conf Soft Key.
Hang Up while conferencing:
If you are establishing a conference call and want to
hang up on the person you are calling, press the
EndCall Soft Key.
TRANSFERRING CALLS
To transfer a call with consulting the other party
1. While on a call press the Transfer key.
2. Use the key pad to dial the telephone number to
which the held call is to be transferred.
3. If you want all three parties to speak together,
then a 3-way call can be established by pressing
the Conference Soft Key.
4. If you decide not to complete the transfer, then
the call can be terminated by pressing the EndCall
Soft Key.
5. You can complete the transfer by pressing the
Transfer key.
Blind Transfer
1. While on a call press the Transfer key.
2. Press the Blind Soft Key and then use the use the
key pad to dial the telephone number to which
the held call is to be transferred.
3. You can complete the transfer by pressing the
Transfer key.

Issue : January 2017 DT820 DESI Less - Quick Reference Card (Release 4.0) 4
THE PERSONAL DIRECTORY
To access the Personal Directory using the Menu
Key:
Do one of the following, depending on your system:
●If there is not a Corporate Directory on your
system:
1. Press the Menu key.
2. Select 1Personal Directory.
●If there is a Corporate Directory on your system:
1. Press the Menu key.
2. Select 1Directory.
3. Select 1Personal Directory.
To access the Personal Directory using the cursor
pad:
Do one of the following, depending on your system:
●If there is not a Corporate Directory on your
system:
1. Press the Directory key ().
2. Select 1Personal Directory.
●If there is a Corporate Directory on your system:
1. Press the Directory key ().
2. Select 1Directory.
3. Select 1Personal Directory.
Using the Personal Directory:
Use the Up and Down Soft Keys or the Up and Down
keys on the cursor pad to scroll through the Personal
Directory, and use the Soft Keys to Add, Edit and
Delete entries.
To view a specific Personal Directory entry:
1. Use the Up and Down Soft Keys or the Up and
Down keys on the cursor pad to scroll through
the Personal Directory.
2. Press the More Soft Key twice and then the Detail
Soft Key to view the details for that entry.
3. This displays the name and number for the entry,
along with the Speed Dial and Monitor settings.
4. Press the Exit Soft Key to exit details screen and
return to the Personal Directory.
To add a Personal Directory entry:
1. Press the Menu key.
2. Select 1Personal Directory.
3. Press the More Soft Key and then the Add Soft
Key.
4. Use the keypad to enter the a name for the
Speed Dial key, then press Enter on the cursor
pad or the OK Soft Key. Use the * key to switch
between uppercase and lowercase keypad entry
mode.
5. Use the telephone keypad to enter a phone
number for the entry and press Enter on the
cursor pad or the OK Soft Key.
6. Use the telephone keypad to enter a Speed Dial
number (if desired) for the entry and press Enter
on the cursor pad or the OK Soft Key.
Note that only digits, the * and # are accepted as
numerical input in a Speed Dial.
7. If you have set a Speed Dial Key number for this
entry, set the monitor settings for this entry and
press Enter or the OK Soft Key.
8. Press the Save Soft Key to save your changes.
THE CORPORATE DIRECTORY
If it is enabled on your system, you can access a
Corporate Directory.
To access the Corporate Directory using the Menu
Key:
1. Press the Menu key.
2. Select 1Directory.
3. Select 2Corporate Directory.
Using the Corporate Directory:
Use the Up and Down Soft Keys or the Up and Down
keys on the cursor pad to scroll through the
Corporate Directory. Use the Soft Keys to Search
entries and Dial from the Corporate Directory.
The name in the directory can be preceded with one
of the following icons :
: person is busy

: person has an active call diversion

: shows more details e.g. “absent until …”
HEADSET CONFIGURATION
Two types of Plantronics headsets are supported : the
CS510 and Savi 700, using the APD-80 EHS cable.
To configure the Headset
1. Press the Menu key.
2. Select 3User Settings.
3. Select 2Headset.
4. Select 1Enable/Disable.
5. Select 2Enable.
To select the Headset Ringing
1. Press the Menu key.
2. Select 3User Settings.
3. Select 2Headset.
4. Select 2Ringing.
5. Select 2Headset, or 3Phone and Headset.
Put Plantronics configuration switch on position A.
Ask your system administrator for more details.
Note that the Ring Tone is an internally generated Plantronics Ring
Tone : it is not received from the system. So the user can not
distinguish between an internal and external incoming call based
on the Ring Tone in the headset.

Issue : January 2017 DT820 DESI Less - Quick Reference Card (Release 4.0) 5
SPEED DIAL KEYS
To configure a Programmable Key as a Speed Dial
key
1. When the phone is in idle state, press the Feature
key.
2. If required, press the Program Soft Key to enter
the Programming Mode.
3. Press the desired Speed Dial key. The Speed Dial
key LED starts flashing.
For Speed dial keys that have already been
configured, the Speed Dial information is shown.
4. Enter a name for the Speed Dial key. Then press
Enter on the cursor pad or the OK Soft Key.
Use the * key to switch between uppercase
keypad entry mode.
5. Enter a phone number for the entry and press
Enter on the cursor pad or the OK Soft Key.
6. Enter on the cursor pad or the OK Soft Key to
use this Speed Dial Key number, or use the
keypad to edit the number.
Note that only digits, * and # are accepted as
numerical input in a Speed Dial.
7. Select the monitor settings for the Speed Dial and
then press Enter on the cursor pad or the OK
Soft Key.
8. Select Show in Directory if you want to also add
this entry to your Personal Directory, and press
Enter on the cursor pad or the OK Soft Key.
9. Press the Save Soft Key to save the information.
10. Press the Exit Soft Key to exit the Speed Dial
Programming mode.
To originate a call from a Speed Dial Key
1. Press the desired Speed Dial Key, or
2. Lift the handset and press the desired Speed Dial
Key, or
3. Press the Speaker key and press the desired
Speed Dial Key.
FUNCTION KEYS
One or more speed dial keys can be pre-programmed
with a dedicated function or a (colleague’s) internal
telephone number of which the status can be
monitored by means of the LEDs.
Ask your system administrator for more details.
Function
Pressing this key activates the function:
-the corresponding LED is switched ON.
Pressing the key once more de-activates the function:
- the LED is switched OFF.
Telephone Number
When the LED is :
- OFF : the telephone is idle
- Flashing : the telephone is ringing
you can answer this call
-ON : the telephone is busy
USING THE HELP KEY
You can use the Help key to view information about
the Soft Keys that are displayed on your phone.
1. Press the Help key.
2. Press the Soft Key you want to see. Help
information for. You can use the UP / DOWN
cursor keys on the cursor pad to scroll through
the help information, if needed.
3. Press the Exit Soft Key to return to the previous
screen.
Help screens may not be available for all the Soft Keys
on your phone.
PRESENCE MONITORING
Presence Monitoring Icons and LED colors.
TYPE
STATUS
ICON
DESI-LESS LED
Line Key
Registered
LED is not lit
Unregistered
LED is not lit
Speed Dial
Key (no
monitoring)
Not Available
LED is not lit
BLF
Idle
LED is not lit
Ringing
Blinking RED
Subscription
failed
LED is not lit
On the phone
RED
ADJUSTING ANGLE OF TILT LEG
The angle of the tilt leg can be adjusted in two levels.
●to raise tilt leg : pull out the leg stoppers.
●to lower tilt leg : push in the leg stoppers.
Leg stoppers

Issue : January 2017 DT820 DESI Less - Quick Reference Card (Release 4.0) 6
FEATURE
ICON
MEANING
Registered
Indicates the phone is currently registered with a SIP@Net
Server.
Unregistered
Indicates the phone is currently not registered with any SIP@Net
Servers. This may indicate a problem connecting to the SIP@Net
Server.
Dialing
This icon appears when you are dialing a number.
Ringing (Incoming)
Indicates an incoming telephone call.
Ringing (Outgoing)
Indicates that the number you have dialed is ringing. This icon
only displays for numbers that are monitored by the system, such
as internal numbers.
Active Call
Indicates you are currently on a call.
Missed Call
Appears when there is a missed call. Once you check the missed
call log in the Call History information, this icon disappears.
Voice mail

Provides notification of incoming voice mail. Once the user has
checked the voice mail, this icon disappears.
Hold
Indicates that the current call is on hold.
Call Count
The first number shows which call has the focus, and the second
number shows the total number of calls.
Transfer/
Conference Call
Transfer the primary call to a secondary call, or initiate a 3-party
conference call.
Transfer/
Conference Ringing
Indicates that the number you have dialed for the Transfer or
Conference is ringing. This icon only displays for calls that are
monitored by the system, such as internal calls.
Transfer/Conf Shuttle
(Primary Call)
Focus is on the primary call.
Transfer/Conf Shuttle
(Secondary Call)
Focus is on the secondary call.
FEATURE
ICON
MEANING
Transfer To Hold
(primary and consult)
Indicates that you are transferring the call into a held state.
Conference With Hold
(primary and consult)
Indicates that you are connecting to a conference that is in a held
state.
Call Conferencing Hold
This icon is displayed when you have two other callers in a 3-way
conference and have the conference (both callers) on hold.
Call Conferencing
Indicates that you have two other callers in a 3-way conference
call.
DND
Indicates the phone is currently set for Do Not Disturb (this
feature may not be available on all systems).
Headset
Indicates that the headset is active.
Call Forwarding Busy
Indicates Call Forwarding on Busy is active.
Call Forwarding
Immediate
Indicates Immediate Call Forwarding is active.
Call Forwarding No
Answer
Indicates Call Forwarding on No Answer is active.
Keypad entry mode
[Abc]
Indicates that the keypad generates the first letter in uppercase
and the rest in lowercase characters. To switch between the
keypad entry modes, press the * key on the keypad.
[ABC]
Indicates that the keypad generates all uppercase characters.
[abc]
Indicates that the keypad generates all lowercase characters.
[1]
Indicates that the keypad generates numeric characters.
Media Security
Indicates that the media connection is secured (SRTP).
Secured Signalling
Indicates that both the signalling and media is secured (SRTP and
TLS).