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2.1
Initiating Voice Communications (Basic Transmission and
Reception)
The following describes the basic methods for transmission and reception in a P25 Trunking system and the relevant
functions.
About Own ID
To initiate various communications using P25, a Unit ID (Own), the identification code of a transceiver, needs to be configured
for the transceiver.
A Unit ID can be configured in the range between 000001 and FFFFFF (hexadecimal), or between 1 and 16777215 (decimal).
If
Global ID
is enabled, a Unit ID is shared by all P25 Conventional and P25 Trunking systems.
If
Global ID
is disabled, a Unit ID needs to be configured for each P25 Conventional system and P25 Trunking system.
Note
Since the management system of own ID in P25 is different from the management system of own ID in NXDN, each own
ID needs to be configured separately.
Configuration using KPG-D1/ D1N
0
Configuring
Unit ID (Own)
(
Transceiver Settings > Personal > System Information > P25 Trunking > Unit ID
(Own))
0
Configuring
Global ID
to be enabled or disabled (
Transceiver Settings > Personal > System Information > P25
Trunking > Unit ID (Own))
Control Channel Acquisition and Registration
To establish various types of communications in an P25 Trunking system, the transceiver needs to acquire a control channel
and register in a system before starting communication. The control channel acquisition and registration are automatically
executed when the transceiver is turned ON or when a system to be used is changed with site roaming.
Refer to “
” for details on the transceiver behavior of control channel acquisition.
About Communication Security (Encryption)
The transceiver is equipped with the Encryption function, which can enhance the confidentiality of communications by
encrypting communication data when making various communications on a P25 digital channel. (Refer to
.)
Receive
If a message requesting various types of communications is received on a control channel from a system, and if a message
requesting various types of communications is received from a system on a control channel, the transceiver migrates to a
traffic channel and the received audio sounds from the speaker.
2 P25 TRUNKING SYSTEM
2.1 Initiating Voice Communications (Basic Transmission and Reception)
P25 FUNC (K)/Ver 2.20
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