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Hello! We're Cellular One, a network of wireless providers in 25 states, committed to bringing you communication services that keep you connected to the people important in your life. Please enter your home zip code to find the Cellular One in your area.
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3G: The next generation of wireless communications devices,
which transmit data at speeds up to two megabits per second. These devices will
allow the integration of data, voice and video.
Access fee: A special fee that local telephone companies are
allowed to charge all telephone customers for the right to connect with the
local phone network. Cellular subscribers pay this fee along with a 3 percent
federal telephone excise tax.
Airtime: Actual time spent talking on the cellular telephone.
Most carriers bill customers based on how many minutes of airtime they use each
month. Airtime charges during peak periods of the day vary from about 20 cents
to more than 40 cents per minute, depending on the service plan selected. Most
carriers offer reduced rates for off-peak usage.
Alphanumeric: A message or other type of readout containing
both letters ("alphas") and numbers ("numerics"). In cellular, "alphanumeric
memory dial" is a special type of dial-from-memory option that displays both
the name of the individual and that individual's phone number on the cellular
phone handset. The name also can be recalled by using the letters on the phone
keypad. By contrast, standard memory dial recalls numbers from number-only
locations.
Analog: The original form of cellular service using waveform
transmissions.
Authentication: A fraud prevention technology that takes a
number of values to create a shared, secret value used to verify a user's
authenticity.
Bit: A contraction of Binary Digit. It is the smallest unit of
information in a binary system.
Bits Per Second (BPS): Rate at which bits are transmitted.
Bluetooth: Technology designed specifically for short-range
wireless communications of 10 meters or fewer. Bluetooth will utilize
inexpensive transceiver chips, which will be placed inside smart phones, laptop
computers and other portable devices.
Broadband: Using a wide-bandwidth channel for voice, data
and/or video services.
Broadcast: Delivery of a transmission to two or more stations
at the same time such as over a bus-type local network or by satellite; or b)
Protocol mechanism whereby group and universal addressing are supported.
Call Forwarding: This feature allows a station user to program
at any time any internal station number (or the attendant) and, when activated
by the station user, all incoming calls to his station will be automatically
rerouted to that preprogrammed number.
Caller I.D.: A call-screening feature that allows the user to
pinpoint the origin of an incoming call prior to answering the phone. The
caller's number is displayed on the wireless handset's screen.
CDMA (code division multiple access): A spread spectrum
approach to digital transmission. With CDMA, each conversation is digitized and
then tagged with a code.
Cell: The basic geographic unit of a cellular system and the
basis for the generic industry term "cellular." A city or county is divided
into small "cells," each of which is equipped with a low-powered radio
transmitter/receiver. The cells can vary in size depending on terrain and
capacity demands. By controlling the transmission power and the radio
frequencies assigned from one cell to another, a computer at the Mobile
Telephone Switching Office (MTSO) monitors the movement and transfers (or hands
off) the phone call to another cell and another radio frequency as needed.
Channel: A path for electrical transmission between two or
more points without common carrier-provided terminal equipment; also called a
link, line, circuit or facility.
Circuit: Physical connection of channels, conductors and
equipment required to provide a complete communications pathway.
Cross-talk: Energy-leak from one channel to another. On the
telephone network you hear somebody else's conversation. If transmitting data,
a noise source.
Digital modulation: A method of decoding information for
transmission. Information, or in this case, a voice conversation is turned into
a series of digital bits; the 0s and 1s of computer binary language. At the
receiving end, the information is reconverted.
Dual mode: Describes a handset that works on both analog and
digital networks.
ESN (Electronic Serial Number): A unique ID number embedded in
a wireless phone by its manufacturer to minimize chance of fraud. Each cellular
phone is assigned a unique ESN, which is automatically transmitted to the
cellular tower station every time a cellular call is placed. The Mobile
Telephone Switching Office validates the ESN with each call. An ESN is
different from the Mobile Identification Number (MIN), which is the identifier
used by the wireless carrier.
Encryption: The process of "scrambling" a message such as a
digital phone signal to prevent it from being read by unauthorized parties.
FCC: Federal Communications Commission. The Government agency
responsible for regulating telecommunications in the United States, located in
Washington, D.C.
Frequency reuse: The ability to use the same frequencies
repeatedly across a cellular system, made possible by the basic design approach
for cellular. Since each cell is designed to use radio frequencies only within
its boundaries, the same frequencies can be reused in other cells not far away
with little potential for interference. The reuse of frequencies is what
enables a cellular system to handle a huge number of calls with a limited
number of channels.
GSM (global system for mobile communications): A digital
cellular or PCS network used throughout the world.
HDML: A computer programming language that does for wireless
Internet access what HTML does for land-based Internet access. Handheld Device
Markup Language (HDML) allows wireless devices such as smart phones and
handheld computers to communicate on the Internet.
Handoff: The process by which the Mobile Telephone Switching
Office passes a cellular phone conversation from one radio frequency in one
cell to another radio frequency in another. The handoff is performed so quickly
that users rarely notice.
Hands-free: An important safety feature that's included with
most of today's mobile phones. It permits drivers to use their cellular phone
without lifting or holding the hand-set to their ear.
Local Exchange Area: That part of the national telephone
network controlled by the local telephone operating company and separate from
the long distance network. Local exchange areas are generally regulated by the
state public utility commission.
Message alert: (Also referred to as "call-in-absence"
indicator) A light or other indicator announcing that a phone call came in; an
especially important feature if the cellular subscriber has voice mail.
Microbrowser: A modified version of the original Web browser.
It allows a wireless user to find data on the Internet through a handheld
device.
MTSO: Mobile Telephone Switching Office. The central switch
that controls the entire operation of a cellular system. It is a sophisticated
computer that monitors all cellular calls, tracks the location of all
cellular-equipped vehicles traveling in the system, arranges handoffs, keeps
track of billing information, etc.
No-answer transfer: A service feature (provided by some
cellular carriers in combination with call-waiting) that automatically
transfers an incoming cellular call to another phone number if the cellular
subscriber is unable to answer.
NAM (Number Assignment Module): The NAM is the electronic
memory in the cellular phone that stores the telephone number. Phones with
dual- or multi-NAM features offer users the option of registering the phone
with a local number in more than one market.
Off-peak: The period of time after the business day has ended
during which carriers may offer reduced airtime charges.
PCS (Personal Communications Services): Another form of
wireless telecommunications services.
Peak: Highest-usage period of the business day when a cellular
system carries the most calling traffic.
Prepaid Cellular: A system allowing subscribers to pay in
advance for wireless services.
Repertory dialing: Sometimes known as "memory dialing" or
"speed-calling." A feature that allows the caller to recall from 1-to-99 (or
more) phone numbers from a phone's memory with the touch of just one, two or
three buttons.
Roaming: The ability to use a cellular phone outside of a
usual service area when traveling, for example.
RSA (rural service area): One of the 428 FCC designated rural
markets across the United States.
Service plan: A rate plan selected by subscribers when they
start up cellular service, usually consisting of a base rate for system access
and a per-minute rate for usage. Service plans are designed to provide the most
cost-effective rates for different types and amounts of usage by the cellular
subscriber.
Standby time: The amount of time one can leave a fully charged
cellular phone turned on before the phone will completely discharge the
batteries. See talk time.
Talk time: The length of time one can talk on a cellular phone
without recharging the battery. The battery capacity of a cellular portable or
transportable is usually expressed in terms of so many minutes of talk time OR
so many hours of standby time.
TDMA (time division multiple access): A method of digital
wireless communications transmission allowing a large number of users to access
(in sequence) a single radio frequency channel without interference by
allocating unique time slots to each user within each channel.
Tri-mode handset: Phones that work on three frequencies,
typically using 1900 MHz, 800 MHz digital or reverting to 800 MHz analog
cellular when digital is not available.
Universal service: The government's aim, starting in the
1930s, of providing phone service to all, regardless of distance from the
switch or ability to pay. Today, universal service encompasses those aims, plus
a subsidy to public schools, libraries and rural health care facilities for
telecom services.
Voice-activated dialing: A feature available only on selected
phones that permits you to dial numbers by calling them out to your cellular
phone, instead of dialing them manually. This function is especially convenient
for making calls from your vehicle while driving.
Voice mail: (Also called voice messaging) A computerized
answering service that automatically answers your call, plays a greeting in
your own voice and records a message. After you retrieve your messages, you can
delete, save, reply to or forward the messages to someone else on your voice
mail system.
Wireless Application Protocol (WAP): A new industry standard
for wireless access to the Internet. The protocol allows instant and easy
interaction for mobile devices.
(Source: CTIA)
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