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
2Type 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
4SDM 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
5RUM
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