Ring Communications DNA300 - Manual (Page 10)

DNA300 OPERATIONS MANUAL 10 2006/06/13
The message format is in the following format for input messages to the DNA300:
| STX | EVENT | RS | BUTTON ADDRESS | ETX | BCC |
Events:
I (hex 49) = INITIALIZE (hex string: 02 49 03 48)
D (hex 44) = DIAL (accept call in que or dial a station)
O (hex 4F) = OUTPUT (remote control)
P (hex 50) = PARK
X (hex 58) = CANCEL
A (hex 41) = ACCEPT (same as DIAL)
Note:
Only the DIAL event needs RS | BUTTON ADDRESS in the message.
The I, O, P and X events will ignore button address if included.