P25 Trunking And Conventional Messages Decoded - BlueTail Technologies P25RX User Manual

BlueTail Technologies User Manual, Software Release 2020-04-26
devices
stored.

9.0 P25 Trunking And Conventional Messages Decoded

P25 Phase-1 Voice and Trunking channels
4800 sps, 9600 bps rates, 12.5 kHz channels
Trellis FEC, crc16, crc32, BCH, Golay message checks / FEC are implemented.
DUIDs processed:
• 0x07 TSBK Trunking system blocks
• 0x0C PDU (MBT) Multi-block style trunking message
• 0x05 LDU1 Voice frame
• 0x0A LDU2 Voice frame
• 0x03 TDU
• 0x0F TDULC Terminator with link control
Trunking Messages Processed:
• TSBK opcode 0x34 IDEN_UP_VU
• TSBK opcode 0x33 IDEN_UP_TMDA
• TSBK opcode 0x3d IDEN_UP
• TSBK opcode 0x00 GRP_VOICE_GRANT
• TSBK opcode 0x02 GRP_VOICE_GRANT_UPDATE
• TSBK opcode 0x39 SCCB (secondary control channel broadcast)
• TSBK opcode 0x3c ADJ_STS_BCST (adjacent control channel bcast)
• TSBK opcode 0x3a RFSS_STS_BCST (primary control channel status)
• TSBK opcode 0x3b NET_STS_BCST (network status bcast)
• MBT opcode 0x00
• MBT opcode 0x3a
• MBT opcode 0x3b
• MBT opcode 0x3c
Terminator
GRP_V_CH_GRANT
RFSS_STS_BCST
NET_STS_BCST
ADJ_STS_BCST
Page 28 Of 32
BlueTail Technologies P25RX User Manual
Doc Date: 12/18/2020