Motorola MTP830 S Product Information Manual page 104

104 | Glossary
Semi-Duplex Private Call
presses and holds the PTT while talking, and releases the PTT while listening.
,
See also: Private Call Push-to-Talk
Sensitive Data
A set of important and unique, factory-defined values (such as frequency tuning) assigned to radios.
Short Data Service (SDS)
Short Subscriber Identity (SSI)
unique within one TETRA subdomain (one TETRA network).
SIM
Subscriber Identity Module
Software Image
A collection of files distinguished by individual releases. It contains firmware, codeplug, and audio
template files dedicated to specific radio models.
SSI
Short Subscriber Identity
Static Cipher Key (SCK)
algorithm.
See also: Encryption
Status ID
A feature that makes it possible for a subscriber to send status messages to other subscribers. The user can
enter a status message for each ID in a Status ID list. When a subscriber sends a status message, the ID of the subscriber?s
unit is sent along with the status message.
Subscriber Identity Module (SIM)
key) and is inserted into the radio to grant its personality.
Switching and Management Infrastructure (SwMI)
equipment that is the CNE and all the remote site equipment.
See also: Central Network Equipment
SwMI
Switching and Management Infrastructure
Talkgroup
A group of radio users that can share calls and messages as a group. Normally a talkgroup is comprised of
users who have a need to communicate with each other on a day-to-day basis.
TEI
TETRA Equipment Identity
Telephone Interconnect (TI)
Network (PSTN). Telephone interconnect can be used for both land-to-mobile calls and mobile-to-land calls.
See also: Public Switched Telephone Network
TETRA
Acronym for TErrestrial Trunked RAdio. The digital trunked radio standard produced by ETSI providing detailed
telecommunications specifications to which Base Stations and radios should adhere.
,
See also: Base Station European Telecommunications Standards Institute
TETRA Equipment Identity (TEI)
equipment, like radios.
TI
Telephone Interconnect
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Also called Private Call or Express Connect Call. In this type of one-way call, the user
A flexible bearer service that transfers information from one interface to another.
The network specific portion of a TETRA Subscriber Identity. An SSI is only
Key used for encryption between radios and BTS in Class 2 systems with corresponding
A smart card that holds subscriber information (including the authentication
A call feature that provides subscriber access to the Public Switched Telephone
An electronic serial number that is permanently embedded in the TETRA
All the system components excluding the mobile
,
Radio