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4

5.2.1.4
5.2.1.5
5.2.1.6
5.2.1.7
5.2.2
5.2.2.1
5.2.2.1.1
5.2.2.1.2
5.2.2.1.3
5.2.2.1.4
5.2.2.1.5
5.2.2.1.6
5.2.2.2
5.2.2.2.1
5.2.2.2.2
5.2.2.2.3
5.2.2.2.4
5.2.2.2.5
5.2.2.2.6
5.2.2.2.7
5.2.2.2.8
5.2.2.3

6
6.1
6.2
6.3
6.4
6.4.1
6.4.2

7
7.1
7.1.1
7.1.2
7.1.3
7.1.3.1
7.1.3.2
7.1.4
7.2
7.2.1
7.3
7.4
7.4.1

8
8.1
8.2
8.2.1
8.2.1.1
8.2.1.2
8.2.1.3
8.2.1.4
8.2.1.5
8.2.1.6
8.2.1.7
8.2.1.8
8.2.2
8.2.2.1
8.2.2.2
8.2.2.3
8.2.2.4
8.2.2.5

ETSI TS 102 361-1 V1.2.1 (2006-01)

Hang time messages and timers ............................................................................................................35
Slot 1 and 2 dependency .......................................................................................................................36
Transmit admit criteria..........................................................................................................................36
Transmission re-tries.............................................................................................................................36
Channel access procedure ...........................................................................................................................37
Peer to Peer Mode Channel Access.......................................................................................................37
MS Out_of_Sync Channel Access...................................................................................................37
MS Out_of_Sync_Channel_Monitored Channel Access.................................................................39
MS In_Sync_Unknown_System Channel Access ...........................................................................40
MS Not_in_Call Channel Access ....................................................................................................41
MS Others_Call Channel Access ....................................................................................................41
MS My_Call Channel Access..........................................................................................................41
Repeater Mode Channel Access............................................................................................................41
MS Out_of_Sync Channel Access...................................................................................................41
MS Out_of_Sync_Channel_Monitored Channel Access.................................................................43
MS In_Sync_Unknown_System Channel Access ...........................................................................44
MS TX_Wakeup_Message..............................................................................................................45
MS Not_In_Call Channel Access....................................................................................................46
MS Others_Call Channel Access ....................................................................................................47
MS My_Call Channel Access..........................................................................................................47
MS In_Session Channel Access ......................................................................................................47
Non-time critical CSBK ACK/NACK channel access..........................................................................47

Layer 2 burst format ...............................................................................................................................48
Vocoder socket.................................................................................................................................................49
Data and control ...............................................................................................................................................50
Common Announcement Channel burst...........................................................................................................51
Reverse Channel...............................................................................................................................................52
Standalone inbound Reverse Channel burst................................................................................................52
Outbound reverse channel burst..................................................................................................................53

DMR signalling ......................................................................................................................................53
Link Control message structure........................................................................................................................53
Voice LC header .........................................................................................................................................54
Terminator with LC ....................................................................................................................................55
Embedded signalling...................................................................................................................................56
Outbound channel .................................................................................................................................56
Inbound channel ....................................................................................................................................57
Short Link Control in CACH......................................................................................................................58
Control Signalling BlocK (CSBK) message structure......................................................................................59
Control Signalling BlocK (CSBK) .............................................................................................................60
IDLE burst........................................................................................................................................................61
Multi Block Control (MBC) message structure................................................................................................62
Multi Block Control (MBC) .......................................................................................................................64

DMR Packet Data Protocol (PDP) .........................................................................................................65
Internet Protocol...............................................................................................................................................65
Datagram fragmentation and re-assembly ........................................................................................................66
Header Block structure ...............................................................................................................................67
Unconfirmed Data Header ....................................................................................................................68
Confirmed Data Header ........................................................................................................................68
Response Data Header ..........................................................................................................................69
Proprietary Data Header........................................................................................................................69
Status/precoded short data header .........................................................................................................70
Raw short data header ...........................................................................................................................70
Defined short data header......................................................................................................................71
Unified Data Transport (UDT) data header...........................................................................................71
Data block structure ....................................................................................................................................71
Unconfirmed data block structure .........................................................................................................72
Confirmed data block structure .............................................................................................................73
Response packet format ........................................................................................................................74
Hang time for Response packet.............................................................................................................75
Unified Data Transport (UDT) last data block structure.......................................................................76

ETSI