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DÉTAILS D'UN SYSTÈME TRUNKING MPT-1327
En premier lieu, je vous recommande le lien suivant si vous désirez en savoir plus sur un interface hardware/software pour décoder les données trunking au standard MPT-1327:


Vous pouvez aussi rejoinre l'auteur du projet ci-haut mentionné : Ian Wraith

Remerciements speciaux à Ian pour son analyse et explications du systeme !

Voiçi une partie de données décodées , avec quelques notes, provenant du système de la S.T.R.S.M. 




PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=20 N=6

 This is an ALH transmitted by the base to tell mobiles they may
transmit.

BCAST SYS#1801 Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite)

 Here the base (giving its ID number 1801) tells mobiles they may talk
to each other for an infinate period of time.

PFIX#1 IDENT1#7592 Speech GTC from IDENT2#1173 CHAN=745 N=1

 Here an actual speech call is being setup. Each MPT1327 radio has an 
identity made up of 2 parts the prefix and the ident. Here radio prefix 1 
ident 1173 is calling radio prefix 1 ident 7592 the conversation is to take
place on channel number 745. The radios will know what frequency is 
meant by channel 745.

PFIX#1 SDMI AHYC IDENT2#1117 SLOTS=3 DESC=0

 Interesting one this the base is telling radio prefix 1 ident 1117 that
it can go ahead and sent data. I would bet the buses are equiped with
GPS receivers and are using the MPT1327 to sent their position to base.

PFIX#1 IDENT1#1204 ACKV QUAL=0 IDENT2#1117 N=0

 Here radio prefix 1 ident 1117 wants to talk to radio prefix 1 ident
1204. However 1204 cannot take the call. So the base is telling 1117
to wait.

PFIX#1 IDENT1#1348 ACK QUAL=0 IDENT2#1117 N=0

 Here radio prefix 1 ident 1117 is telling radio prefix ident 1348 it
has received its message.



Then, some actual decoded data :

( 411.0625 - STRSM )

SYS 1801

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode)
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode)
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode)
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode)
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode)
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite)
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite)
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode)
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode)
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite)

PFIX#1 IDENT1#1204 HEAD PFIX2#1 IDENT2#1117 (4 data codewords)

Command Message (First Segment) (No segments to follow) 
(Two slots required) - BCD Dynamic Regroup

SIZE=150 RESET=0 NC=7 0 - 7508 , 1 - 7673 , 2 - 7681 , 
3 - 7671 , 4 - 9 98 , 5 - 0000 , 6 - 0000

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=20 N=6 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=20 N=0 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 PFIX#1 
IDENT1#7592 Speech GTC from IDENT2#1173 CHAN=745 N=1 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6

BCAST SYS#1801 Specify Registration Parameters 
(1 Registration Record) (Temporary Registration Mode)
BCAST SYS#1801 Specify Registration Parameters 
(1 Registration Record) (Temporary Registration Mode) 
BCAST SYS#1801 Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
BCAST SYS#1801 Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#1 SDMI AHYC IDENT2#1117 SLOTS=3 DESC=0 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=20 N=0 

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=20 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6  BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6  BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6  BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6  BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6  BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6  BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6  BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6  BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6  BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6  BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0  BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0  BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0  BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0  BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0  BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0  BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0  BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0  BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0  BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6  BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0

PFIX#1 IDENT1#1204 HEAD PFIX2#1 IDENT2#1117 (4 data codewords)
Command Message (First Segment) (No segments to follow) 
(Two slots required) - BCD Dynamic Regroup 
SIZE=150 RESET=0 NC=7 0 - 7508 , 1 - 7673 , 2 - 7681 , 
3 - 7671 , 4 - 9 98 , 5 - 0000 , 6 - 0000 

PFIX#1 IDENT1#1204 ACKV QUAL=0 IDENT2#1117 N=0

BCAST SYS#1801 Specify Registration Parameters 
(1 Registration Record) (Temporary Registration Mode)

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=20 N=6 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=20 N=0 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 

PFIX#1 IDENT1#1204 HEAD PFIX2#1 IDENT2#1117 (4 data codewords)
Command Message (First Segment) (No segments to follow) 
(Two slots required) - BCD Dynamic Regroup 
SIZE=150 RESET=0 NC=7 
0 - 7508 , 1 - 7673 , 2 - 7681 , 3 - 7671 , 
4 - 9 98 , 5 - 0000 , 6 - 0000 

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#1 SDMI AHYC IDENT2#1117 SLOTS=2 DESC=0 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=20 N=0 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=20 N=0 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=20 N=0 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=20 N=0 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 PFIX#1 
IDENT1#1223 HEAD PFIX2#1 IDENT2#1117 (4 data codewords) 

Command Message (First Segment) (No segments to follow) 
(Two slots required) - BCD Dynamic Regroup
SIZE=150 RESET=0 NC=7 0 - 7598 , 1 - 0000 , 2 - 0000 , 
3 - 0000 , 4 - 8000 , 5 - 0000 , 6 - 0000 

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=20 N=0

PFIX#1 IDENT1#1348 HEAD PFIX2#1 IDENT2#1117 (3 data codewords)
Command Message (First Segment) (No segments to follow) 
(Two slots required) - BCD Dynamic Regroup 
SIZE=90 RESET=0 NC=4 
0 - 7517 , 1 - 7671 , 2 - 0000 , 3 - 0000 

PFIX#1 IDENT1#1348 ACK QUAL=0 IDENT2#1117 N=0

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
BCAST SYS#1801 Specify Registration Parameters 
(1 Registration Record) (Temporary Registration Mode) 

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
BCAST SYS#1801 Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 

BCAST SYS#1801 Specify Registration Parameters 
(1 Registration Record) (Temporary Registration Mode)

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
BCAST SYS#1801 Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite)

BCAST SYS#1801 Specify Registration Parameters 
(1 Registration Record) (Temporary Registration Mode)

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 

BCAST SYS#1801 Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite)

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=20 N=6 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=20 N=0 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=20 N=0 
PFIX#1 IDENT1#1221 ACK QUAL=0 IDENT2#1117 N=0

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 

BCAST SYS#1801 Specify Registration Parameters 
(1 Registration Record) (Temporary Registration Mode)

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0

BCAST SYS#1801 Specify Registration Parameters 
(1 Registration Record) (Temporary Registration Mode)

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
BCAST SYS#1801 Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 

BCAST SYS#1801 Specify Registration Parameters 
(1 Registration Record) (Temporary Registration Mode)
BCAST SYS#1801 Specify Registration Parameters 
(1 Registration Record) (Temporary Registration Mode) 
BCAST SYS#1801 Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0
PFIX#1 SDMI AHYC IDENT2#1117 SLOTS=2 DESC=0 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=20 N=6 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=20 N=0 

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Registration Parameters (1 Registration Record) (Temporary Registration Mode) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0

BCAST SYS#1801 Specify Registration Parameters 
(1 Registration Record) (Temporary Registration Mode) 
BCAST SYS#1801 Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 
BCAST SYS#1801 Specify Registration Parameters 
(1 Registration Record) (Temporary Registration Mode) 
BCAST SYS#1801 Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 

BCAST SYS#1801 Specify Registration Parameters 
(1 Registration Record) (Temporary Registration Mode)

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=6 
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite) 

BCAST SYS#1801 Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite)

PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0
PFIX#0 DUMMYI ALH CHAN4=5 WT=1 M=0 N=0 BCAST SYS#1801 
Specify Call Maint Parameters PER=0 ID=0 (TSCLIM is infinite)