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Ericsson GSM Phones : Technical Features

adjustable ring signal
enables you to adjust the volume, pitch/tone and pulse/frequency of ring on your mobile phone. This can be invaluable when in noisy or quiet surroundings, making it easier to distinguish your call from those from other mobile phones.

advice of charge
(or AoC) enables you to monitor the cost of calls made from your GSM mobile phone. Details of the last call and total calls made are shown in the phone's display. Even better control is offered by the special advice of charge application which allows youtoonly make calls for a pre-defined amount of money. To use this service, it must be supported by your network and by your phone. You may also have to add this service to your subscription.

alpha memory search
for fast access to a name stored in the phone book of your GSM mobile phone. Enter the first letter of a name stored and the phone will display the first name in the phone book beginning with that letter.

Alphanumeric
Able to deal with both letters and numbers: alpha represents letters, numeric represents numbers. An alphanumeric pager, for example, can send and receive messages containing both letters and numbers.

lternate line service
(or ALS) enables you to have two lines and two different phone numbers on one subscription for your mobile phone. This makes it possible to have separate numbers for business and personal calls. To use this service, it must be supported by your network and by your phone. You may also have to add this service to your subscription.

AMPS
Advanced Mobile Phone System - an analog mobile phone network that is used mainly in the US and also Latin America, Australia, New Zealand, parts of Russia and Asia-Pacific.

analog
the simple way to transmit speech - the first networks for mobile phones were analog. Due to being longer established in some countries, analog networks may offer better coverage than digital networks, howeveranalog phones are less secure and suffer from interference where the signal is weak. analog systems include AMPS, NMT and ETACS.

antenna
A device used for receiving or transmitting signals.

asynchronous mode
a standard for data transmission where each data package has a start and stop bit. See also synchronous mode.

AT commands
standardized command set for modems.

authentication
The process that enables mobile phones and service providers to confirm the identity of any phone placing and receiving a call, allowing route of call, accurate billing and inhibiting unauthorized usage of the system-

auto area code
feature that allows you to store an area code in your mobile phone's memory. When the feature is active, the phone automatically inserts the code in front of any number dialed. This is particularly useful when traveling and making frequent calls to your home area.

auto key lock
prevents mobile phone keys from being pressed by mistake while in standby mode.

automatic network selection
GSM mobile phone feature that allows you to switch between networks - offering coverage abroad, for example. Your mobile phone automatically selects a certain network or system (your home network), but if it is not in range or unavailable, it will select another system.

automatic retry
your mobile phone will automatically ring the last number dialed if previous attempt at connection failed.

automatic shut-off
charger feature that prevents batteries from being overcharged.

base station
The central radio transmitter/receiver that maintains communications with a mobile radiotelephone with a given range.

battery
A chargeable device used to provide phones with power.For our products we use mainly Nickel Metal Hydride batteries (NiMH) which provide very high capacity at a low weight, and are also faster to charge. Also, we already have very light phones and do not need to use lithium to decrease the weight of the phones.

blocked SIM card
A SIM card is a small printed circuit board that must be inserted in any GSM-based mobile phone when signing on as a subscriber. Entering your PIN code incorrectly three times will block your SIM card as a security measure, preventing unauthorized use of your phone. To unlock your card, you will need to enter a PUK code.

Bluetooth
A new technology developed by Ericsson and other industry leaders to enable seemless data and voice transmission via short-range radio. Read more at http://bluetooth.ericsson.se

bps
bits per second - meaning data transmission speed, the number of pieces of information transmitted per second.

bulletin board service
(or BBS) an electronic bulletin board which you can connect to through a modem and collect information.

call barring
enables you to restrict or bar certain or all types of calls to and from your mobile phone, i.e. outgoing calls, outgoing international calls, incoming calls. Barring is activated with a personal code. To use this service, it must be supported by your network and by your phone. You may also have to add this service to your subscription.

call divert
enables you to divert incoming calls to another phone or answering service. To use this service, it must be supported by your GSM network and by your phone. You may also have to add this service to your subscription.

call hold
enables you to put a caller on hold while a second call is answered or made. To use this service, it must be supported by your network and by your phone. You may also have to add this service to your subscription.

call restriction
enables you to restrict or bar certain or all types of calls to and from your mobile phone, i.e. outgoing calls, outgoing international calls, incoming calls. To use this service, it must be supported by your network and by your phone. You may also have to add this service to your subscription.

call transfer
enables you to transfer a caller to another number. To use this service, it must be supported by your network and by your phone. You may also have to add this service to your subscription.

call wait
if your line is busy, callers are asked to wait while you are alerted to their incoming call. This is extremely useful if you are waiting for an important call, yet still wish to use your phone. To use this service, it must be supported by your network and by your phone. You may also have to add this service to your subscription.

caller identification
(or CLI) shows the number of the person calling you in your mobile phone's display. You can then make an informed choice as to whether or not to take the call. Bear in mind that not all numbers can be displayed. To use this service, it must be supported by your network and by your phone. You may also have to add this service to your subscription.

calling card number store
account number, access number and/or identification number for calling cards can be stored in your mobile phone's memory.

CeBIT
The world's largest telecommunications exhibition, held in Hannover in Germany each spring.

charge when power off
means that your battery can be charged without having to keep the mobile phone switched on.

clock stop mode
All SIM cards have a clock. If the card supports clock stop mode, the clock can be switched off to increase the phone's standby time. All new three volt SIM cards support clock stop mode, as do some of the older five volt SIM cards.

coax
A shortening of the term "coaxial cable". A type of shielded cable used between a mobile transceiver and its antenna.

compression
compression of data files makes them smaller and faster to transmit. Compression protocols include MNP 5 and V.42bis.

conference call
allows you to speak to more than one person at the same time. This can be extremely useful for remote business meetings. To use this service, it must be supported by your network and by your phone. You may also have to add this service to your subscription.

connected line presentation
An icon in the mobile phones display signifying that your phone has been connected.

coverage
the geographical reach of a mobile phone network or system.

customizable menu
allows you to set your own menu structure on your mobile phone so that functions that you use most frequently used can be accessed quickly and easily.

D-AMPS
D-AMPS has been renamed TDMA (Time Division Multiple Access). TDMA is a digital mobile phone network that operates in the US, Latin America, New Zealand, parts of Russia and Asia Pacific. Ericsson's TDMA mobile phones also work on AMPS networks.

data/fax capability
your GSM mobile phone can be used to send and receive fax and data files, access the Internet and send e-mail when connected to mobile office equipment. To use this service, it must be supported by your network and by your phone. You may also have to add this service to your subscription.

data/fax transmission
enables you to send and receive files or faxes with immediate on-screen transmission status. To use this service, it must be supported by your network and by your phone. You may also have to add this service to your subscription.

database access tool
enables you to access databases from other PCs - at home or at the office, for example - from mobile office equipment, giving you the freedom to work on the move.

DCS 1800
Digital Communications System based on GSM, working on a radio frequency of 1800 MHz. Also known as GSM1800 or PCN, this digital network operates in Europe and Asia Pacific.

DECT
Digital Enhanced Cordless Telecommunications - a digital radio access technology used for local cordless telephone coverage, i.e. in your home. DECT phones are plugged into a telephone socket, while the cordless handset give you the freedom to move around. There are DECT phones for private as well as business use.

digital
where information - your speech, for example - is encoded before transmission. Digital networks are fast replacing analog ones as they offer improved sound quality, secure transmission and can handle data as well as voice. Digital networks include mobile systems GSM 900, GSM 1800, GSM 1900, TDMA and the cordless DECT system.

display siz
the number of lines and characters that can appear on the display of a mobile phone.

driver
program that controls a device such as a printer, a PC mouse, or a PC card with modem functionality for mobile phones.

DTMF
Dual Tone Multi Frequency signal - a series of digits used for banking by phone or for access to an answering machine.

DTX
Disconnector Unit in a mobile phone that automatically turns off the transmitter when you are not talking. This saves you battery time.

dual band
dual band mobile phones can work on networks that operate on different frequency bands. This is useful if you move between areas covered by different networks. Dual band includes GSM900 and GSM1800

dual mode
dual mode mobile phones work on more than one network (for example, digital and analog) - this is extremely useful if you want the advantages of a digital phone, but regularly visit areas where analog is the only service available.

EFR
Enhanced Full Rate voice coding - provides superior speech quality on your mobile phone. To take advantage of this service, it must be supported by your network and by your phone.

EPOC
An operating system, designed especially for mobile use, being put forward by Ericsson, Nokia, Psion, Motorola and Matsushita.

ergonomics
Study of equipment design in order to reduce user fatigue and discomfort

Ericsson Phone Modem Manager
Provides telephony interface.

ERMES
European Radio Messaging System - a pan-European wide area paging network working in Europe, the Middle East and Asia.

ETACS
Extended Total Access Communications System - the analog mobile phone network developed in the UK and available in Europe and Asia.

fax class
standards for fax transmission are set as classes. Class I and II allow data transfer speeds of between 2400 up to 9600 bps.

file transfer
enables you to retrieve and send files to other PCs - at home or at the office, for example - from mobile office equipment, giving you the freedom to work on the move.

five volt phone/four volt phone
The lower the phone's voltage, the lower is its power consumption thus increasing standby time and talktime. New phones often have the lower voltage. Note: phone's with different voltage use different accessories.

fixed dialing numbers
enables you to only allow numbers beginning with certain pre-defined figures to be dialed from your mobile phone. The service is activated by a PIN2 code. To use this service, it must be supported by your network and by your phone. You may also have to add this service to your subscription.

full duplex
in handsfree equipment, full duplex means that both parties on the phone can talk at the same time. The opposite is simplex functionality when one party talks and the other must wait for his/her turn.

greeting message
text message stored in your mobile phone's memory which is displayed each time the phone is turned on.

GSM
Global System of Mobile Communications, the most widely used digital mobile phone system. The GSM systems family also includes GSM 1800 and GSM 900. There are different phases of roll-out for the GSM system and GSM phones are either phase 1 or phase 2 compliant.

GSM 1800
also known as DCS 1800 or PCN , GSM 1800 is a digital network working on a frequency of 1800 MHz. It is used in Europe, Asia-Pacific and Australia.

GSM 1900
also known as PCS 1900, GSM 1900 is a digital network working on a frequency of 1900 MHz. It is used in the US and Canada and is scheduled for parts of Latin America and Africa.

GSM 900
GSM 900, or just GSM, is the world's most widely used digital network and now operating in over 100 countries around the world, particularly in Europe and Asia Pacific.

hidden credit card numbers
a hidden memory location in a mobile phone for storing credit card numbers and calling card numbers. Access is controlled by entering a personal access code.

imageware
Special line of Ericsson accessories, such as fashion panels and carrying cases etc.

intelligent roaming
Registers PCS/mobile phones with acceptible service providers, ensuring the mobile phones customers the best possible service at any location. Intelligent roaming defines the preferred system and the alphanumeric labels to be displayed when the phone is in those systems.

international prefix
mobile phone + prefix that automatically adds the correct international code in front of a telephone number for dialing out of a country, you then have to add the code of the country you are calling.

international roaming
GSM mobile phone feature that allows you to switch between networks offering coverage abroad. Your mobile phone automatically selects a network or system (your home network), but if it is not in range or unavailable, it will select another system. International roaming is based on agreements between network operators in different countries.

Internet capability
enables you to access the Internet, surf the Web and send e-mail.

IrDA
Infrared Data Association - standard for wireless connectivity through infrared light between, for instance, a PC and a printer.

ISDN
Integrated Services Digital Network - a fixed digital network for fast transmission of voice, data and video. ISDN can be connected to GSM 900.

key tone selection
allows you to select the type of tone produced when the keys are pressed. This can be useful if you are using your phone in quiet or noisy environments.

keypad disable
prevents keys on a mobile phone from being pressed by mistake while in standby mode.

keypad lock
prevents keys on a mobile phone from being pressed by mistake while in standby mode.

language selection
information can be displayed on your mobile phone in a choice of languages.

last dialed number store
stores the last number dialed in your mobile phone's memory for easy recall.

melody editing
Allows a user to edit and create their own personal ringsignals.

menu
User interface for changing the phone settings.

message alert signal
A light or other indicator on a wireless phone that notifies a user that call has come in.

message store
Allows user to store messages for later retrieval or referral.

minute minder
alerts you, by a series of discrete beeps, ten seconds before each minute of a call enabling you to keep track of costs.

missed calls list
keeps a record of unanswered calls that have been received on your mobile phone. Not all calls can be identified. If the number is stored in your GSM phone book, it will appear in this list together with its associated name.

MNP
Microcom Networking Protocol - different protocols used as standards for correcting and compressing data files.

modem
A device that converts data in one form into another.

mute microphone
enables you to prevent the other party on the phone from hearing what you are saying to someone off-line.

NAM
Number Assignment Module - memory position in your mobile phone which stores your telephone number. Phones with dual- or multi-NAM can be registered with a local number in more than one market or area.

network
a mobile phone network or system consists of a network of cells. Each cell is served by a radio base station from where calls are forwarded to and received from your mobile phone by wireless radio signals.

NiCd
nickel cadmium - a type of battery suitable for general use. NiCd batteries are robust and long-lasting.

nickel cadmium
or NiCd - a type of battery suitable for general use. Nickel cadmium batteries are robust and long-lasting.

Nickel Metal Hydride
or NiMH - a type of battery especially good for heavy use. NiMH batteries hold more power for their size than NiCd batteries as they always accept a full charge. MiMH batteries are also more environmentally friendly.

NiMH
Nickel Metal Hydride - a type of battery especially good for heavy use. Nickel Metal Hydride batteries hold more power for their size than NiCd batteries as they always accept a full charge. NiMH batteries arealso more environmentally friendly.

NMT
Nordic Mobile Telephone Network - the first cellular system in the world to come into service. NMT is an analog network used in Scandinavia, some European countries and small parts of Russia, the Middle East and Asia. There are two NMT systems; the original at 450 MHz and one at 900 MHz. Handheld NMT phones are usually made for the NMT 900 system.

non-transparent mode
data transmission mode - when error correction is performed by the GSM system using the radio link protocol.

Numeric
Numeric indicates numbers. A numeric pager, for example, can send and receive messages containing only numbers. The alternative is alphanumeric, indicating both letters and numbers.

paging
single direction radio service for alerting subscribers and leaving messages.

pause dialing
permits you to enter a pause character in a dialed number to indicate that the following digits are to be transmitted as DTMF tones (useful when banking by phone).

PC card
also called PCMCIA card, the PC card can work as a modem and connect a mobile phone to a laptop, enabling data and fax transmission. The thin type II card is the most common size. Type III is a thicker card and can house more than modem functionality.

PCMCIA card
(Personal Computer Memory Card International Association) also called a PC card, the PCMCIA card can act as a modem and connect your mobile phone to a laptop or organizer, enabling data and fax transmission. The thin type II card is the most common size. Type III is a thicker card and can house more than modem functionality.

PCN
Personal Communications Network - also known as the DCS 1800 standard or GSM 1800. It is used in Europe and Asia Pacific.

PCS 1900
Personal Communications Service working on a radio frequency of 1900 MHz. PCS 1900, also known as GSM 1900, is a digital system used in parts of the US and Canada and is scheduled for parts of America and Africa.

PDC
Personal Digital Cellular - the digital network used primarily in Japan.

personalised menu function
Allows the user to customize the menu of a mobile phone.

phase 1/phase 2
compliance for GSM phones concerns signaling, type approval procedures and services: a phase 2 phone supports more services. Not all GSM networks support all phase 2 services yet.

phone book
memory in your mobile phone where phone numbers can be stored and accessed by name (alpha memory search) or position.

phone manager
enables you to organize, edit, copy and print your phone book, stored in your phone or on your SIM card, from your PC or organizer. It also allows you to move the information between your phone and PC.

PIN
Personal Identification Number - a code used for all GSM-based cellular phones to establish authorization for access to certain functions or information. The PIN code is delivered together with your subscription.

PIN2
Personal Identification Number 2 - an authorization code which is used only for special services.

PUK
Personal Unblocking Code - used to unlock a blocked SIM card. This is delivered together with your subscription.

quick charge
charger feature that means your battery can be charged in less than one hour.

radio link protocol
(or RLP) gives improved transmission in difficult conditions for data communication over wireless networks.

retractable antenna
A telescopic antenna which extends and retracts into the phone housing.

roaming
within your home network, this means that your GSM mobile phone automatically sets up communication procedures with different radio base stations when on the move. International roaming means that you can use networks other than your own when traveling abroad.

RS232 cable
Cable that can be used to connect a mobile phone to a data device.

Satellite phone
Ericsson will launch satellite phones in 1999. Those will operate both on either GSM/AMPs networks, and via satellite, in areas where there is no coverage.

scratch pad
enables you to enter digits (phone numbers, for example) on your mobile phone's keypad while in conversation - these remain on the display when the call has ended and can be stored (up to five numbers) or transferred to the main memory or phone book. Numbers from the scratch pad can be used to dial out. Once the memory is full, old numbers are overwritten.

semi duplex
in handsfree equipment, full duplex means that the connection is open for both parties to talk simultaneously. The opposite, simplex, is when it is open to one at a time. Semi duplex gives close to, but not complete, duplex functionality.

service provider
a company that provides services and subscriptions to mobile phone users.

short message service
(or SMS) available on digital networks allowing messages of up to 160 characters to be sent and received via the network operator's message center to your mobile phone. Messages are stored if the phone is offor out of reach ensuring that they reach you. To use this service, it must be supported by your network and by your phone. You may also have to add this service to your subscription.

Silent Call Alert
replaces the ring signal on your phone with vibrations when you have an incoming call.

silent settings
useful for situations where a ring signal would be annoying - in meetings, a cinema or restaurant. Incoming calls can be indicated by a discreet clicking sound or flashing light. A vibrating connector is available as accessory for some phones.

SIM card
Subscriber Identity Module card - a small printed circuit board that must be inserted in any GSM-based mobile phone when signing on as a subscriber. It contains subscriber details, security information and memory for a personal directory of numbers. The card can be a small plug-in type or sized as a credit-card but has the same functionality.

sleep mode
provides extended standby time on your GSM cellular phone.

smart charge sensor
charger feature that prevents your battery from being overcharged.

SMS
(or short message service) available on digital networks allowing messages of up to 160 characters to be sent and received via the network operator's message center to your mobile phone. Messages are stored if the phone is off or out of range ensuring that they reach you. To use this service, it must be supported by your network and by your phone. You may also have to add this service to your subscrip

speed dial
allows fast dialing by the touch of two keys (11-99) from selected numbers stored in the mobile phone's memory or phone book.

standby
when a phone is switched on but not being used for a call. Standby time is the total length of time a fully charged battery will power your phone (doesn't include talktime). Standby time can vary depending ondifferent network features.

super speed dial
allows fast dialing by the touch of one key (1-9) from selected numbers stored in the mobile phone's memory or phone book.

synchronous mode
standard for data transmission - data is transferred without start and stop bits together with a clock signal to synchronize the receiver. This mode gives higher data throughput than asynchronous mode, but can be less secure.

system
a mobile phone system or network consists of a network of cells. Each cell is served by a radio base station from where calls are forwarded to and received from your mobile phone by wireless radio signals.

TACS
Total Access Communication System - the British analogue mobile telephone standard based on the US AMPS system.

talktime
total number of minutes' speech allowed by a fully charged battery.

TAPI
Telephone Application Programming Interface - the standard for telephony functions in WindowsTM.

TDMA
TDMA (Time Division Multiple Access) is a digital mobile phone network that operates in the US, Latin America, New Zealand, parts of Russia and Asia Pacific. Ericsson's TDMA mobile phones also work on AMPS networks.

three volt/five volt SIM card
Your SIM card can be either of the older standard five volt or the new three volt type. Three volt SIM cards use less power from the phone and increase standby time. Three volt cards also support clock stop mode, have the potential for more GSM phase 2 services and can store more information.

trickle charge
charger feature that prevents loss of battery capacity. The charger senses when the battery is fully charged and switches to trickle mode, ensuring that the battery has full capacity when removed. A battery charged in a charger without this function loses its capacity gradually even though it is still in the charger.

unique settings
enables some vehicle handsfree equipment to tune in to the acoustic settings of your car for best possible sound quality. Note: after the installation, the microphone should not be moved as this will change the acoustic conditions.

V.42
standard for data error correction.

V.42bis
standard for data compression.

voice operated transmitter
(or VOX) allows you to conserve your battery's power by transmitting only when you are speaking.

WCDMA
Wideband CDMA - the so called "third-generation" wireless services (sometimes also referred to as 3G services) will significantly expand the range of options available to users and allow communication, information and entertainment services to be delivered via wireless terminals. Read more at the Ericsson site http://www.ericsson.com/wcdma

Windows CE™
operating system for palmtop computers with the look and feel of Windows '95™ and includes scaled-down versions of Word™, Excel™, Explorer™ etc.

World phone
Ericsson has announced it will launch so called world phones in 1999. Those will operate in the digital modes: GSM 900 and 1800 or 1900 MHz; TDMA 800 and 1900 MHz and traditional analog 800 MHz AMPS systems. Finally it will be possible to use one phone around the world.

YES/NO keys
GSM mobile phone keys that simplify day-to-day use. YES/NO keys are used for sending and receiving calls and scrolling through menus.

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