I-2
Table I-1. ASTRO Signaling ISW Call Types (cont.)
Code Description
Z6 Not Assigned
Z1
Super Word Identifier (used for variable id info): 2nd word of Dual ISW
Z3
Variable ID Registration: 2nd word of Dual ISW
TS1
Status 1
TS2
Status 2
TS3
Status 3
TS4
Status 4
TS5
Status 5
TS6
Status 6
TS7
Status 7
TS8
Status 8
TE1
Emergency Alarm
TDR
Dynamic reprogram request
TDI
ACK Dynamic ID assignment
X2
ACK Announcement talkgroup assignment.
CE
Clear-Voice Emergency Talkgroup
CP1
Clear-Voice Patched Talkgroups
CD
Unused, (Use to be Clear Data Talk Groups)
CEA
Clear-Voice Emergency Announcement Group
CP2
Clear-Voice Paging or AVL group
CVM
Clear-Voice MSEL group
SM
Coded Message Trunked Talkgroups
SA
Coded Announcement Talkgroups
SE
Coded Emergency
SP1
Coded Patched Talkgroups
SD
Unused (Use to be Secure-Voice Data)
SEA
Coded Emergency Announcement Group
SP2
Reserved for Coded Paging or AVL group
SVM
Coded MSEL group