NEC Univerge MH250 User manual

MH250
USERS GUIDE
NEC Infrontia Corporation
2006 August
NWA-xxxxxx-001
Issue 1.0

LIABILITY DISCLAIMER
NEC Infrontia Corporation reserves the right to change the specifications,
functions, or features, at any time, without notice.
NEC Infrontia Corporation has prepared this document for use by its
employees and customers. The information contained herein is the property
of NEC Infrontia Corporation and shall not be reproduced without prior
written approval from NEC Infrontia Corporation. All brand names and
product names on this document are trademarks or registered trademarks of
their respective companies.
Copyright 2006
NEC Infrontia Corporation

User Safety Protocol
……………………………………………………………………………………………………
Important: Read this information before using your MH250 Handset.
Observe the following instructions to use this product safely, prevent you and other people from possible injury, and
protect properties. Improper handling may cause heat, explosion, and fire.
Danger
Recharge the battery with the matching battery charger (see battery label description).
Use the battery only for this MH250 handset system. Do not use it with other electrical devices.
Keep the following warnings to prevent the battery pack from heating, explosion, and fire.
•Do not throw the battery pack into fire.
•Do not solder the battery pack directly.
•Do not short the positive (+) and negative (-) terminal of the battery pack with metal.
•Do not poke the battery nor smash it with hammer.
Do not disassemble nor modify the battery pack. It has a safety circuit and a damaged circuit may cause heat,
explosion, and fire.
The internal liquid of the battery pack has strong acid. If the battery liquid gets into your eye, rinse your eye well with
water and consult with a doctor.
Do not use, leave, nor recharge the battery pack near fire or under the direct sunlight. High temperature may damage
the internal safety circuit and may cause malfunction of the recharge, heat, explosion, or fire.

Warning
……………………………………………………………………………………………………
Do not use the unit when you notice smoke, strange smell or other unusual happenings. It may cause fire if you continuously use them. Turn off the
power switch of the phone system immediately. For the recharger, disconnect the power plug immediately. Confirm that smoke is ceased, and then
contact the nearest NEC service office. Never attempt to repair those units by yourself.
If you had an accident such as dropping the phone and broke the unit, turn off the power of the phone system immediately. For the recharger,
disconnect the power plug immediately. Contact the nearest NEC service office. If you keep using those units, they may cause fire or electrical
shock.
If water smeared into the unit, turn off the power of the phone system immediately. For the recharger, disconnect the power plug immediately.
Contact with the nearest NEC service office. If you keep using those units, they may cause fire or electrical shock.
Do not insert flammable or metal objects into the units. If a foreign object were accidentally placed into the units, turn off the power of the phone
system and plug out the power adapter. Contact the nearest NEC service office. If you keep using those units, they may cause fire or electrical
shock.Pay special attention to children to prevent from similar accidents.
Do not attempt to disassemble nor modify the units. It may cause fire, electrical shock, or system malfunction. Modification by a user is prohibited
by law.
Do not open the units intentionally. It may cause electrical shock or system malfunction. Ask test adjustment, and repair of the units for the nearest
NEC service office.
Do not twist, put a heavy object, and push the phone system. Such actions may cause damage, fire, or injuries.
Do not place a container with water such as a vase, a plant pot, a cup, cosmetics, chemicals, nor a small metal object. Splashing water over the
units and foreign metal object inserted into the units may cause fire or electrical shock.
Do not use the unit in a high humid area such as a bathroom or near a humidifier. They may cause fire, electrical shock, or system malfunction.
Use the specified power adapter, which is attached to the unit. Other adapters may cause fire or system malfunction.
Do not damage, or modify the power adapter cord. Do not kink, pull, twist, or bundle it. Do not put a heavy object or heat it. They may cause fire,
electrical shock, or system malfunction. Contact the nearest NEC service office for a damaged adapter cord.
Do not touch the power plug with a wet hand. It may cause electrical shock or system malfunction.
Do not touch the units or replace a battery with a wet hand. It may cause electrical shock or system malfunction.
When you hear thunder during using the phone system outside, immediately stop using it and move to a safe place.
Do not use a multiple plugs. It may cause fire or electrical shock.
Follow the instruction below when you use a battery pack. They may cause heating, explosion, and fire;
•Do not put the battery pack into a microwave oven or a pressure chamber.
•Do not use other batteries with this battery pack.
If the internal battery liquid clung to your skin or clothes, immediately rinse it with clean water to prevent chemical damage to your skin and clothes.
Do not use the phone or recharge the battery in a place where fire or explosion may occur.
•This phone system does not have explosion protection. Do not use it where a flammable gas such as propane and gasoline are stored. Turn off
the power of the phone immediately. Do not recharge the battery in such a place.
Do not use near microwave ovens, medical equipments and industrial equipments.

Federal Communication Commission Interference Statement
……………………………………………………………………………………………………
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try
to correct the interference by one of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
CAUTION:
Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
IMPORTANT NOTE:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. End users must follow the specific operating
instructions for satisfying RF exposure compliance. To maintain compliance with FCC RF exposure compliance requirements, please avoid direct
contact to the transmitting antenna during transmitting.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
We declare that the product is limited in CH1 - CH11 by specified firmware controlled in the USA.
Equipment Class :Digital Transmission System
Notes :WLAN IP Phone
FCC Rule Parts Frequency Range(MHZ) Output Watts
15C 2412.0 – 2462.0 0.02
Power Output is Conducted.

INDEX
- 4 -
INTRODUCTION 1
•WHAT IS MH250? 1
•KYES AND PARTS 2
•ICONS 3
•TWO OPERTAION MODES 3
GETTING STARTED 5
•SHIPPED PARTS 5
•HOW TO INSERT THE BATTERY 5
•HOW TO CHARGE THE BATTERY 6
BASIC OPERATIONS 8
•TO TURN ON THE PHONE (STANDBY MODE) 8
•TO TURN OFF THE PHONE 8
•TO ANSWER A CALL 8
•TO REJECT A CALL 8
•TO MAKE A CALL 8
•TO PLACE A CALL ON HOLD 9
•TO TRANSFER A CALL 9
•TO REDIAL (LAST NUMBER REDIAL) 9
FEATURES 10
•TO USE CALL FORWARDING - ALL CALLS 10
•TO USE CALL FORWARDING - DON’T ANSWER 10
•TO USE CALL FORWARDING - NO RESPONSE 10
•TO USE CALL FORWARDING - BUSY 11
•TO USE CALL PICKUP 11
•TO USE CALL PARK 11
•TO USE CALL BACK 12
•TO USE CALL WAITING 12
•TO USE CONFERENCE 12

INDEX
- 4 -
•TO LOCK/UNLOCK THE PHONE 12
•TO ADJUST RECEIVER VOLUME 13
CALL HISTORY 15
•TO VIEW CALL HISTORY 15
•TO MAKE A CALL FROM CALL HISTORY 16
•TO ADD PHONE NUMBER AND NAME TO DIRECTORY 16
•TO DELETE A CALL LOG 17
•TO DELETE ALL CALL LOGS 18
DIRECTORY 19
•TO VIEW DIRECTORY 19
•TO EDIT GROUP NAME 20
•TO ADD A NEW ENTRY 22
•TO DELETE A RECORD 23
•TO MAKE A CALL 24
•TO EDIT 25
•TO CREATE AN INSTANCE MESSAGE (IM) 26
SPEED DIAL 27
•TO SPEED DIAL 27
•TO ADD NEW ENTRY/EDIT 27
•TO ADD NEWY ENTRY FROM DIRECTORY 29
•TO DELETE AN ENTRY 30
SETUP 32
•DISPLAY BACKLIGHT 32
•DISPLAY CONTRAST( 不可？ ) 32
•NOTIFY SETTING 33
•COURTESY MODE 34
•RING/VIBRAOTR 35
•RING VOLUME 36

INDEX
- 4 -
•CALL VOLUME 37
•KEY CLICK 38
•MUSIC SELECT 39
•RTP ALARM 40
•H.O. TONE 41
•DATE AND TIME ADJUSTMENT 42
•DATE FORMAT 43
•TIME FORMAT 44
•DAYLIGHT SAVING 45
•TIME ADJUSTMENT MEANS 46
•SNTP QUERY TIME 47
•TIME OFFSET 48
•PASSWORD 49
•LANGUAGE 50
LOCAL INFO 51
•TO DISPLAY LOCAL INFO 51
LOCK/UNLOCK 52
•TO LOCK THE PHONE 52
•TO UNLOCK THE PHONE 52
PRESENCE 54
•TO CHANCE PRESENCE 54
•TO VIEW PRESENCE 54
SHORT MESSAGE 56
•SHORT MESSAGE INDICATION 56
•TO VIEW SHORT MESSAGE 56
•TO SEND A SHORT MESSAGE 57
TECHNICAL SPECIFICATIONS 58

INDEX
- 4 -
•TECHNICAL SPECIFICATIONS 58
Template 1
• 2

- 4 -
1.
1.INTRODUCTION
• WHAT IS MH250?
MH250 is a wireless IP telephone set that complies
with IEEE 802.11b specifications. MH250 has the
following features:
- PCS/PHS equivalent service features by connecting
with UNIVERGE SV7000, NEAX2400IPX, and
WLAN system.
- Phonebook, Instant Message, Presence
-機能紹介

- 4 -
1.
• KYES AND PARTS
The phone has the following keys and parts.
12
CLEAR
HOLDTRF
3
456
789
*0#
@ABC ABC
GHI JKL MNO
PQRS TUV WXYZ
(1) Antena
(1) Speaker
(1) Display
(1) UP key
(1) OK button
(1) B-key
(1) RIGHT key
(1) HOLD key
(1) DOWN key
(1) END/PWR key
(1) CLEAR key
(1) USB Connector
(1) Dial pad
(1) Microphone
(1) AC Adapter Connetor
(1) Headset Connecto
r
(1) Headset Connector
(1) LID
(1) A-key
(1) LEFT key
(1) TRANSFER key
(1) SEND key
01. Call history
Menu
02. Directory
03. Speed Dial
04. Setup Menu
05. Loacl info
06. Lock/Unlock
07. Change presence
08. Short Message
09. Maintenance
OK Back
Table 1:Keys And Parts
1 Antenna
2 Speaker
3 Display 2.0 inch LCD, resolution is 176 x 220 pixel
4LID
5UPkey
6LID
7 A-key Used for the left soft key.
8 B-key Used for the right soft key.
9 OK key Used for the center soft key.
10 UP key
11 DOWN key
12 LEFT key
13 RIGHT key
14 TRF key
15 HOLD key
16 SEND key
17 CLEAR key
18 HOLD key Used for placing the ongoing call in hold.
19 Dial Pad * key is also used for Courtesy mode.
20 USB Connector Used for connecting USB cable.
21 Headset Connector Used for connecting headset.
22 Microphone
23 AC Adapter Connector

- 4 -
1.
•ICONS
The following explains icons from left to right.
- Power icon ( ): indicates battery strength
- Antenna icon ( ): indicates the radio signal
strength received
- VoIP icon ( ): indicates communication is avail-
able on your phone
- VM icon ( ): indicates you have a voice mail
- IM icon ( ): indicates you have an instant mes-
sage
- Lock icon ( ): indicates your phone is locked
- Courtesy icon ( ): indicate your phone is in cour-
tesy mode
- Vibrator icon ( ): indicates vibration is set to ON
• TWO OPERTAION MODES
The phone operates in one of the following two modes:
- Standby mode (default mode)
-Menumode
Standby Mode:
When the phone is turned on, it is placed in this mode.
The phone displays the 1st screen similar to the
following.
Menu Mode:
Press soft key on the phone to activate Menu
2007/01/01
12:00
Profile1
AM 12:58
Menu ProF
2007/01/01
12:00
Profile1
AM 12:58
Menu ProF
ProF

- 4 -
1.
mode. The following Main Menu will be displayed.
AM 12:58
OK Exit
Menu
02. Directory
03. Speed Dial
01. Call history
04. Setup Menu
05. Local info
06. Lock/Unlock
07. Change presence
08. Short Message
09. Maintenance

- 7 -
2.GETTING STARTED
• SHIPPED PARTS
MH250 is shipped with the following components.
Make sure that you have all before using the phone.
• HOW TO INSERT THE BATTERY
Insert the battery into the unit as follows.
(1) Remove the rear cover from the phone.
(2) Connect the cable to the unit and then place the
battery into the unit so that the label may face
toward you.
(3) Attach the rear cover again.
MH250
USERS GUIDE
AC Adapater Battery MH250Cradle this book
Label
Battery
white
red
black
Connector

- 7 -
• HOW TO CHARGE THE BATTERY
Be sure to charge the battery when using the phone for
the first time. You can charge the battery by using one
of the following:
•Cradle
• PC via USB cable
• AC Adapter (direct connection)
By Using the Cradle:
The phone can be charged by using the shipped cradle.
(1) Insert the AC Adapter plug into the jack in the
bottom of the cradle.
(2) Plug in the AC adapter to an appropriate outlet.
(3) Place the phone on the cradle as shown below.
(4) Info-LED turns on, indicating the battery is being
charged.
(5) Info-LED turns off when the battery is recharged.
By Using the USB Cable:
The phone can be charged by using your PC via a USB
cable.
(1) Insert the USB connector into the USB jack.
(2) Insert the other end of the cable to your PC.
The empty battery can be recharged for
about 3 hours.
AC Outlet
MH250
Cradle
Info-LED
AC Adapter
Jack
The phone is seated
MH250
USB connector
USB juck
To PC

- 7 -
By Using the AC Adapter:
AC Outlet
MH250
A
C Adapter Connector
AC Adapter
Jack

- 9 -
3.BASIC OPERATIONS
• TO TURN ON THE PHONE
(STANDBY MODE)
Press and hold key for 1 second or more. The
start screen appears as follows. Note
Note: This initial screen is called Standby Mode in
this book.
• TO TURN OFF THE PHONE
Press and hold key for 3 seconds or more. “Good
bye!” is displayed.
• TO ANSWER A CALL
When receiving an incoming call, the display
automatically changes to Incoming Call screen.
- To answer the call, press key.
- To end the call, press key.
Note: When the calling party has been already reg-
istered in the Phonebook, the registered name
is displayed.
• TO REJECT A CALL
To reject an incoming call, press key.
• TO MAKE A CALL
To make a phone call, do one of the following:
- Enter the phone number and then press key.
- Press key and then enter the phone number.
Note: Before making a call confirm the following.
(i) Power is ON?
(ii) Battery is charged?
(iii) VoIP Icon/Antenna icons OK?
2007/01/01
AM09:27
Profile1
AM 09:27
Func Profile
Welcome!
< Standby Mode >
Good bye!
By pressing? key, you can delete the last
digit of the dialed number.
Incoming Call....
5012
AM 12:58
Answer

- 9 -
• TO PLACE A CALL ON HOLD
During an active call, you can hold the call.
- Press key to hold the line. The phone dis-
plays:
- Press key or key to retrieve the line.
• TO TRANSFER A CALL
During an active call, you can transfer the call to other
phone.
- Press key during the call. The phone displays:
- After hearing Special Dial Tone, enter the phone
number to transfer the call.
- Press ??? key to complete the transfer.
• TO REDIAL (LAST NUMBER
REDIAL)
You can make a call from the Call History.
A maximum of the last 20 calls can be recorded.
- Press key in standby mode. The phone dis-
plays the Main Menu.
- Press key to select “01. Call history” and then
press key.
- Press key to select “01. LNR (Last Number
Redial)” and then press key.
- Press key to select a desired party you want to
redial and then press key.
- Press key or key to redial the party.
HOLD
Holding...
5012
AM 12:58
End Trans
00:01:12
Unhold
HOLD
TRF
Holding...
5012
AM 12:58
End Trans
00:01:12
Unhold
MenuMenu
AM 12:58
OK Exit
Menu
02. Directory
03. Speed Dial
01. Call history
04. Setup Menu
AM 12:58
OK Exit
Record select
02. CPN
03. Missed call
01. LNR

- 10 -
4.FEATURES
• TO USE CALL FORWARDING -
ALL CALLS
To Set:
- Enter CALL FORWARDING - ALL CALLS (SET)
access code.
- Press key and then hear Special Dial Tone.
- Dial a desired phone number to which you want to
forward incoming calls and then receive Service Set
Tone (The feature has been set).
- Press key.
To Cancel:
- Enter CALL FORWARDING - ALL CALLS
(CANCEL) access code.
- Press key and then receive Service Set Tone
(The feature has been cancelled).
• TO USE CALL FORWARDING -
DON’T ANSWER
To Set:
- Enter CALL FORWARDING - DON’T ANSWER
(SET) access code.
- Press key and then hear Special Dial Tone.
- Dial a desired phone number to which you want to
forward incoming calls and then receive Service Set
Tone (The feature has been set).
- Press key.
To Cancel:
- Enter CALL FORWARDING - DON’T ANSWER
(CANCEL) access code.
- Press key and then receive Service Set Tone
(The feature has been cancelled).
• TO USE CALL FORWARDING - NO
RESPONSE
To Set:
- Enter CALL FORWARDING - NO RESPONSE
(SET) access code.
- Press key and then hear Special Dial Tone.
- Dial a desired phone number to which you want to
forward incoming calls and then receive Service Set
Tone (The feature has been set).
- Press key.
To Cancel:
- Enter CALL FORWARDING - NO RESPONSE
(CANCEL) access code.
- Press key and then receive Service Set Tone
(The feature has been cancelled).

- 11 -
• TO USE CALL FORWARDING -
BUSY
To Set:
- Enter CALL FORWARDING - BUSY (SET)
access code.
- Press key and then hear Special Dial Tone.
- Dial a desired phone number to which you want to
forward incoming calls and then receive Service Set
Tone (The feature has been set).
- Press key.
To Cancel:
- Enter CALL FORWARDING - BUSY (CANCEL)
access code.
- Press key and then receive Service Set Tone
(The feature has been cancelled).
• TO USE CALL PICKUP
You can pick up an incoming call within the pickup
group.
- A phone in the call pickup group receives an incom-
ing call. The phone starts ringing.
- Enter CALL PICKUP access code and then press
key while the phone is ringing.
- The call is picked up and then connection is estab-
lished.
• TO USE CALL PARK
You can park the ongoing call and replace the handset.
The opposite party is placed in hold. You can retrieve
the held call from the original phone or other phone by
using access code.
To Park a Call:
- Press key during a call in progress.
To Retrieve the Call from the Original Phone
- Enter CALL PARK - LOCAL RETRIEVAL access
code and then press key.
To Retrieve the Call from Other Phone:
- Enter CALL PARK - REMOTE RETRIEVAL
access code (ex. 11) and the station number of the
original phone (ex. 5111) in succession (ex. 11 +
5111).
- Press key and then connection is established.
TRF