| Megahertz |
One million hertz or cycles per second. The unit of
frequency used to measure the clock rate of modern digital
logic, including microprocessors. |
| Memory effect |
A property of a battery that causes it to lose its capacity
for full recharging if it is repeatedly recharged before
it is completely discharged. Memory effect most commonly
occurs with nickel-cadmium batteries. The term derives
from the fact that the battery appears to have a memory
for the amount of charging it can sustain. |
| Messaging |
A set of features that let the user create, store, send,
receive, and manage different types of messages, for example,
text messages, multimedia messages, e-mail messages, and
fax messages. |
| Mobile commerce |
Electronic commerce in which transactions are made using
a wireless device and data connection. Mobile commerce
can be used to buy things, make banking transactions,
and receive information from web sites related to sports,
stock, weather, and news, for example. |
| Mobile information device profile |
A Java application that provides functions required
by mobile devices, including the user interface, network
connectivity, local data storage, and application lifecycle
management. |
| Mobile phone |
A mobile device primarily meant for speech connections.
Mobile phone is a term often used interchangeably with
cellular phone. |
| Mobile wallet |
A feature in some wireless devices which lets the user
securely store personal information, such as payment card
details and user names. The user can retrieve the information
from the wallet when needed, to use a mobile service that
requires a user name and a password or to make an online
purchase. The wallet is typically used via a browser. |
| Modem set-up |
A software for a mobile device which enables the device
to be used as a modem for PC access to the Internet. Not
all mobile phones have compatible modem set-up software. |
| Monophonic ringing tone |
A ringing tone that most mobile phones can play. The
mobile phone only needs to play one note at a time to
play a monophonic tone. |
| MP3 |
A standard technology and format for compressing a sound
sequence into a very small file while preserving the original
level of sound quality when it is played. The file name
extension is .mp3. |
| Multimedia card |
A memory card that uses flash memory to make storage
portable among various devices, for example in some mobile
phones, PDAs, digital cameras, music players, video cameras,
and personal computers. The multimedia card is based on
the MultiMediaCard memory card standard that was jointly
developed by SanDisk and Siemens. |
| Multimedia message |
A message that can contain text, an image or video clip,
and/or a sound clip. Users can choose from preset or received
pictures, or can create their own. Multimedia messages
can be sent and received only with phones that support
the multimedia messaging service (MMS). See also Picture
message. |
| Multimedia messaging service |
A messaging service that combines conventional text
messages with other content types, such as photographs,
images, sound clips, and video clips. The multimedia messaging
service is used with multimedia phones, which can receive
and process multimedia messages. |
| Network |
An infrastructure enabling the transmission of wireless
signals, which consists of series of points or nodes interconnected
by communication paths. |
| NiCd battery |
A rechargeable battery used as the power supply for
mobile phones and notebook computers, for example. If
not completely discharged before recharging, an NiCd battery
can suffer from memory effect, which may reduce the life
of the battery. NiCd stands for nickel cadmium |
| NiMH battery |
A rechargeable battery that is capable of holding more
power than an NiCd battery and suffers much less from
memory effect. NiMH stands for nickel metal hydride. |
| OMA client provisioning |
Providing a service for a mobile phone user by sending
the essential service activation parameters over the air
as specified by the Open Mobile Alliance (OMA). |
| Open Mobile Alliance |
An organisation that is designed to be the centre of
mobile application standardisation work, helping the creation
of interoperable services that will meet the needs of
the user across countries, operators, and mobile terminals.
The Open Mobile Alliance was formed in June 2002 by nearly
200 companies representing the world's leading mobile
operators, device and network suppliers, information technology
companies, and content providers. |
| PC Suite |
A software that lets the user synchronise phone information
with a compatible PC, install software, configure phone
settings, and make backups of phone files. Not all mobile
phones have compatible PC Suite software. |
| PDP context |
Information that defines a GPRS connection between a
mobile phone and the network. When the GPRS connection
is on, it is indicated on the display. PDP context activation
also means that an IP address is given to the mobile phone,
and other subscriber-related parameters are activated. |
| Personal information management |
Management of personal and business information such
as phone book, calendar, and note information. Personal
information management functions are usually part of a
personal digital assistant (PDA) or a mobile phone. |
| Phone battery |
A power source for a mobile phone. See also Li-Ion battery,
NiCd battery, and NiMH battery. |
| Phone book |
A set of entries including names and phone numbers.
A phone book can be stored in the internal memory of a
phone or on its SIM card. |
| Picture message |
A message that contains a picture, and possibly also
text. Users can choose from preset or received pictures,
or can create their own. See also Multimedia message. |
| PIN code |
An access code that protects the SIM card against unauthorised
use. A PIN code may be required by a service provider
to make outgoing calls or obtain access to certain applications
and data. See also SIM card. |
| Polyphonic ringing tone |
A ringing tone that may consist of several notes at
one time and that is played through a speaker rather than
a buzzer. Using a speaker improves the sound quality for
melodious ringing tones. |
| Pop-Port(tm) connector |
An interface connector that supports advanced functions,
such as digital enhancement identification, stereo audio,
and fast data connectivity with compatible devices. Not
all mobile phone models have a Pop-Port(tm) interface
connector. |
| POP3 |
A version of the post office protocol that is used to
store and retrieve e-mail or Internet mail messages. POP3
is used in conjunction with the simple mail transfer protocol
(SMTP). |
| Predictive text input |
A mode of text input that lets a user write messages
faster. The user presses each key only once per letter
and the software decodes the keystrokes and scans the
internal dictionary for matching words. |
| Presence service |
A service that allows mobile phone users to publish
their current presence information and fetch the presence
information of other users of the service. Presence information
includes, for example, the user's availability, location,
and communication preferences. The presence service is
provided by the operator but the user has full control
over the information that they share with other users.
The presence service capability is available in only some
of mobile phones. |
| Profile |
A group of phone settings, such as ringing tones, keypad
tones, and warning tones, that a user can change. With
profiles, the user can, for example, create sets of combined
tones and screen savers to suit different environments,
times of day, or caller groups. |
| Push to talk |
A one-way communication function in a mobile phone which
lets one user at a time talk to another user or a selected
user group. Push to talk is activated by pressing the
push to talk key or equivalent on the phone. In a user
group, the turns to speak are requested by pressing the
push to talk key and granted on a first come, first served
basis. |
| Push to talk over cellular |
A service that provides direct one-to-one and one-to-many
voice communication in the cellular network. Calls can
be started both to individuals and to talk groups with
just the push of a key. Call connection is almost instantaneous
and the receiver does not have to answer the call. A specifically
PoC-enabled terminal is needed for the service. |
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Phone Reviews
Nokia