Product data

USRobotics
Command Reference
Voice Commands - 134
Result Codes
OK Valid command. ERROR The <string> command is invalid, or a selected
frequency is out of range. Example 1. This example illustrates tone generation
without using any null elements. The command example is followed by a
description of command execution. AT+VTS=
{!,30},1,2,[1000,1300,50],!,{*,6},[800,1300,50],9
Hookflash with a duration of 300 ms.
Play DTMF 1 with a duration given by the +VTD command.
Play DTMF 2 with a duration given by the +VTD command.
Play tone pair at 1 000 Hz and 1 300 Hz with a duration of 500 ms.
Hookflash with a duration given by the +VTD command.
Play DTMF * with a duration of 60 ms.
Play tone pair at 800 Hz and 1300 Hz with a duration of 500 ms.
Play DTMF 9 with a duration given by the +VTD command. Example 2. This
example illustrates tone generation using null elements. The command example
is followed by a description of command execution.
AT+VTS=1,2,[1000,1300,50],[800],9
Play DTMF 1 with a duration given by the +VTD command.
Play DTMF 2 with a duration given by the +VTD command.
Play tone pair at 1000 Hz and 1300 Hz with a duration of 500 ms.
Play tone pair at 800 Hz with a duration given by the +VTD command.
Play DTMF 9 with a duration given by the +VTD command. Example 3. This
example illustrates tone generation using null elements and periods of silence.
The command example is followed by a description of command execution.
AT+VTS=1,[,,50],2,[],9
Play DTMF 1 with a duration given by the +VTD command.
Play silence with a duration of 500 ms.
Play DTMF 2 with a duration given by the +VTD command.
Play silence with a duration given by the +VTD command.
Play DTMF 9 with a duration given by the +VTD command.
+VTX - Start Modem Transmit (Playback)
This command causes the modem to start the voice transmission process.