Silicon Laboratories SI2494/39 Modem User Manual


 
AN93
Rev. 1.3 73
+PSS=X
Selection of full or short startup procedures.
X
Mode
0 The DCEs decide to use short startup procedures.
1 Forces the use of short startup procedures on next and sub-
sequent connections.
2 Forces the use of full startup procedures on next and subse-
quent connections.
+VCDT = n
Caller ID Type.
n
Mode
0 = After ring only
1=Always on
2 = UK with wetting pulse
3=Japan
6=DTMF
+VCID = n
Caller ID Enable.
n
Mode
0 = Off
1 = Formatted Caller ID enabled.
2 = Raw data Caller ID enabled.
+VCIDR?
Type II Caller ID information—”+VCIDR:” will be followed by raw
Caller ID information including checksum. NO DATA will be dis-
played if no Type II data are available.
+VDR = n
Distinctive Ring.
n
Mode
0,x
Disable distinctive ring
1,0 Enable distinctive ring. The ISOmodem will report
DROF and DRON result codes only. DROF and
DRON are reported in 100 ms units.
1,x Enable distinctive ring. The ISOmodem will report
DROF and DRON result codes as well as well as
a RING result code x/10 seconds after the falling
edge of a ring pulse. DROF and DRON are
reported in 100 ms units.
+VGR
Receive Gain Selection.
The <gain> parameter has a range of 112-134 with 128 being the
nominal value. This represents a range of -48 dB to 18 dB. The
default is 128 (0 dB). This command is used to control the receive
gain at the DTE from either the Si3000 Codec or the DAA. The
purpose is to adjust the DTE receive gain for the TAM voice stream
during idle state.
Table 39. Basic AT Command Set (Continued)
Command Action