Funktel TETRA FT4, Руководство по эксплуатации

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Instructions for use
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Technical terms and abbreviations
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Group A group unites several subscribers who communicate directly with
one another. Calls to a group reach all subscribers within this
group at the same time. Other subscribers cannot hear these
group calls. Group calls are possible even when not all subscrib-
ers of this group can be reached, e.g. because a radio set is
switched off.
GSSI Group Short Subscriber Identity: Call number of a group in the
TETRA network
Late entry You can participate in an already set-up group call even when you
have not received the beginning of that group call. This feature is
referred to as "Late entry". You can also use this feature when
dialling from another group or when changing the radio cell.
Local Site
Trunking. Fallback mode: This mode comes into operation whenever an
infrastructure failure occurs but the local base station is still func-
tioning
MNI Mobile Network Identity
PABX Private Automatic Branch Exchange: Private telephone system
PES Personal emergency signal system
PED Personal emergency signal device, special version of the radio
set with personal security functions.
PNZ Personal emergency signal control centre
PSTN Public Switched Telephone Network: Public telephone network
PTT Push to talk, i.e. push before talking (PTT key)
REG The TETRA radio set registers with a TMO infrastructure (regis-
tration).
Call priority The radio set evaluates the call priority of each individual group
call if it is either a member of this group or has selected this group
as "selected group" or scans this group. When several calls are
made at the same time, you can only hear the call with the
highest priority.
SSI Short Subscriber Identity: SSI is the collective term for TETRA
subscriber numbers (subscriber identities).
Overview (cont'd)
Term Description