
GSM (2) GSM is the most popular standard for mobile
phones in the world. GSM also pioneered a low-cost (to the network carrier)
alternative to voice calls, the Short message service which is now supported on
other mobile standards as well.
SIM
Subscriber Identity Module. This is a Smart Card
installed in every GSM handset. Within the GSM application the three primary
roles of the SIM are access control to the network (authentication &
ciphering), service personalisation (SMS, advice of charge, etc.),
Caller ID — The “called from” name and number that is
transmitted and displayed over PSTN lines. The caller has the ability to block
delivery of this information by dialing 67 before dialing the destination
number.
signal (or reception) is the strength (measured in dBm)
of the connection to the mobile phone with its network.
A dialer (American English) or dialler (British English)
is an electronic device that is connected to a telephone line to monitor the
dialed numbers and alter them to seamlessly provide services that otherwise
require lengthy access codes to be
dialed.
Bearer service is a telecommunications term referring to
a service that allows transmission of information signals between network
interfaces
LINK in telecommunications a link is the communications channel that connects two or more
communicating devices.
called party (in some contexts called the
"B-Number") is a person who (or device that) answers a telephone
call. The person who (or device that) initiates a telephone call is the calling
party.
In telecommunication, a message format is a predetermined
or prescribed spatial or time-sequential arrangement of the parts of a message
that is recorded in or on a data storage medium.
Carrier frequency isThe nominal frequency of a carrier
wave for modulation signal.
AVAILABILITY The degree to which a system, subsystem, or
equipment is in a specified operable and committable state at the start of a
mission.
Trunk — Phone line or voice path that can be used or
shared across multiple voice applications.
Redirect — Destination number associated with a toll free
number. Is typically the customer’s main phone number.
Busy Hour — A 60-minute period
during which the average volume of telecommunications traffic is at its
maximum.
Caller ID — The “called from” name and number that is
transmitted and displayed over PSTN lines. The caller has the ability to block
delivery of this information by dialing 67 before dialing the destination
number.
Carrier — Telecommunications provider which owns or
operates a long distance telephony network within the PSTN.
Local Number — Same as a telephone number. Any 10 digit
LEC-assigned (non toll free) phone number that can be dialed from anywhere in
the world. Includes all types of local numbers, such as ANIs, DIDs, and RCFs.
If a caller must dial a “1” to reach this number, the caller is responsible for
the per-minute costs.
Redirect — Destination number associated with a toll free
number. Is typically the customer’s main phone number.
Private Line
A telephone line that is linked directly to a user and is
used exclusively by that user.
Private Network
A network that is designed for use exclusively by a
person or organization and usually does not have points of access from users
external to the company.
Interconnect
A company or
vendor selling customer premises equipment, generally PBXs and other types of
office telephone systems.
Switch — Large-scale telephony platform used to route
phone calls through the PSTN.
Call Transfer
A feature
allowing a call to be transferred to another phone
Cellular
Refers to
communications systems, especially the Advance Mobile Phone Service (AMPS),
that divide a geographic region into sections, called cells. The purpose of
this
GPRS
General Packet
Radio Service is a standard for wireless communications which runs at speeds up
to 150 kilobits per second, compared with current GSM (Global System for Mobile
Communications) systems' 9.6 kilobits.