Silicon Laboratories SI2493/57/34/15/04 - Manual (Page 174)

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174 Rev. 1.3
+VCDT = <n>
Caller ID Type
<n>
Description
0 After ring only
1 Always on
2 UK
3 Japan
4 DTMF after polarity reversal
5 DTMF after polarity reversal (off-hook reception)
6 Always-on DTMF
7 DTMF after ring
+VCID = <pmode>
Caller ID Enable
<pmode>
Description
0 Off
1 On—formatted
2 On—raw data format
+VDR = <enable>,
<report>
Distinctive Ring Cadence Reporting
<enable>,<report>Mode
0, x
Disable distinctive ring
1, 0 Enable distinctive ring. The DCE will report DROF and DRON result
codes only. DROF and DRON are reported in 100 ms units.
1, 1
Enable distinctive ring. The DCE 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 = <gain>
Receive Gain Selection
The <gain> parameter has a range of 112-134 with 128 marking the nominal value.
The default is 128, which represents 0 dB. Step size is 3 dB. This represents a
range of -48 dB to 18 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. See the <DLE><d> and <DLE><u>
commands discussed in Table 111 on page 178 for information on how to control the
receive gain during active voice stream processing.
+VGT = <gain>
Transmit Gain Selection
The <gain> parameter has a range of 112-134 with 128 marking the nominal value.
The default is 128, which represents 0 dB. Step size is 3 dB. This represents a
range of -48 dB to 18 dB. This command is used to control the transmit gain at the
DTE to either the Si3000 Codec or the DAA. The purpose is to adjust the DTE transmit
gain for the TAM voice stream during idle state. See the <DLE><d> and <DLE><u>
commands discussed in Table 111 on page 178 for information on how to control the
transmit gain during active voice stream processing.
+VIP Load Voice Factory Defaults.
+VIT = <timer>
DTE/DCE Inactivity Timer
The <timer> parameter has a range of 0-255 with units of seconds. The default is 0
(disable).
Table 110. Extended AT+ Command Set (Continued)
Command Action