User's Manual

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2.5 Voice Commands
+VIP Initial voice parameter
+VCID=<pmode> Caller ID
pmode=0:Disable Caller ID
pmode=1: Enable ,formatted caller report
pmode=2:Enable ,unformatted caller report
+VCID? Report current parameter
+VCID=? Queries the range that DCE support
+VDR Enable the distinctive ring feature
+VDR? Report current parameter
+VDR=? Queries the range that DCE support
+VGT Setup playback gain
+VGT? Report current parameter
+VGT=? Queries the range that DCE support
+VGR Setup record gain
+VGR? Report current parameter
+VGR=? Queries the range that DCE support
+FMI? Report manufacturer ID
+FMM? Report product information
+FMR? Report product revision
+VIT Enable inactive timer
+VIT? Report current parameter
+VIT=? Queries the range that DCE support
+VTD Set the default duration for DTMF/tone generation in 10ms
increments
+VTD? Report current parameter
+VTD=? Queries the range that DCE support
+VSD=<sds,sdi>
sds=128 Normal level of sensitivity(-40dbm)
sds>= 128 More aggressive ;ex. sds=129 is –39dbm
sds<= 128 Less aggressive :ex sds=127 is –40dbm
sdi :Specify the amount of time the modem will report silence to DTE
+VSD? Report current parameter
+VSD=? Queries the range that DCE support
+VTS DTMF and tone generation
+VTS=? Queries the range that DCE support
ex1: AT+VTS=1 play DTMF 1 with a duration by the +VTD command