AT Commands
5-23
Command
Description
Function
Select
CTS/RTS flow control
1 = Enable XON/XOFF flow control in
either direction ( default )
2 = The DTE uses ITU-T's RTS to
control flow to the modem ; the
modem uses ITU-T CTS to
control flow to the DTE
+VCID=n Caller
ID
Selection
0 = Disables Caller ID ( default )
1 = Enables Caller ID with formatted
presentation to the DTE.
2 = Enables Caller ID with
unformatted presentation to the
DTE.
+VDR=
<enable>,
<report>
Distinctive Ring
Selection
<enable> <report> Function
0 --- Distinctive ring
disable
1 0 The modem reports
DROF and
DRON
Messages but
does
not report RING
messages
1 none,0 The modem
reports
DROF,DRON
and
RING messages
2-255 --- Reserved
+VGM=n Speakerphone
Microphone
Gain
n=121-131
n=128 ( default )
+VGR=n Receive
Gain
Selection
n=121-131
n=128 ( default )
+VGS=n Speakerphone
Speaker Gain
n=121-131
n=128 ( default )
