TM8100/TM8200 Computer-Controlled Data Interface (CCDI) Protocol Manual
CCDI
51
© Tait Electronics Limited
April 2007
1.10.9
RING
Unsolicited.
The RING message advises the PC that an incoming call has been received.
Format
r [SIZE] [RCATEGORY] [TYPE1] [TYPE2] [TYPE3] [TYPE4]
[STATUS] [CALLER_ID] [CHECKSUM]
■
‘r’ is sent as a single ASCII character representing the RING command.
■
[RCATEGORY] is a single character representing the category of the
incoming call.
■
The RING type is a four character string qualifying the type of call
received.
Character
Function
0
Selcall
1
Undefined
2
Type 99
Type
Character
Function
[TYPE1]
0
Voice Call received
1
reserved for Trunked non-prescribed data call
2
Status Call received
3
Interrogation Call received
4
SDM received
5
Data Call received
6
Remote Monitor Call received
[TYPE2]
0
Normal Priority Call received
1
Emergency Priority Call received
[TYPE3]
0
Individual Call received
1
Group Call received
2
Super Group call received
[TYPE4]
0
reserved
1
Call alert
2
Radio check
3
Radio inhibit
4
Radio uninhibit
5
RUM