Specifications

AT Command Set Reference
Ver. 1.00
GSM1308AT001 Page 410 Ver. 1.00 – 10/29/2008
4.16.31. $RICSD CSD Ring Indicate
Command Function This command allows the user to set the
act of the ring indicate for a CS data call.
Command Functional Enfora Specific
Group
Command Format Query AT$RICSD=?
Response $RICSD: (0-1)
Write Format AT$RICSD= CSD RI mode
Response OK
Read Format AT$RICSD?
Response $RICSD: CSD RI mode
Execution Format N/A
Response N/A
Parameter Values N/A
<CSD RI Mode> 0 Ring goes low and will remain low.
1 The Ring line goes low for 1 second
and high for another 2 seconds. Every
3 seconds the ring string is generated
and sent over the Receive (Data Out)
(Rx) line. If there is a call in progress
and call waiting is activated for a
connected handset or hands free
device, the Ring pin switches to ground
in order to generate acoustic signals
that indicate the waiting call.