AT Command Reference Guide for EDGE Wireless ... - wless.ru

Chapter 17 – Audio Commands
17.6 AT+VTD Tone Duration
Description:
This command refers to an integer that defines the length of tones transmitted
with the AT+VTS command.
Test Command Syntax: AT+VTD=
Response:
+VTD: (list of supporteds)
OK
Read Command Syntax: AT+VTD
Response:
OK
Write Command Syntax: AT+VTD=
Response:
OK
Parameter Description:
Duration of the tone in 1/10 second
1...255 Default = 1
17.7 AT+VTS DTMF and Tone Generation
Description:
AT+VTS is intended to send ASCII characters or strings which cause the Mobile Switching
Center (MSC) to transmit DTMF tones to a remote subscriber. The command can only be
used during active voice calls and offers the following variants:
• AT+VTS= allows to send a sequence of DTMF tones with a duration
defined with AT+VTD.
• AT+VTS=[,] allows to send a single DTMF tone. In this case, the
duration can be indvidually determined during the call.
Test Command Syntax: AT+VTS=
Response:
+VTS: (list of supporteds), (list of supporteds)
OK
Write Command Syntax: AT+VTS=
Response:
OK
Write Command Syntax: AT+VTS=[, ]
Response:
OK
Parameter Description:
String of ASCII characters in the set 0-9,#,*,A, B, C, D. Maximal length of the string is 29.
The string must be enclosed in quotation marks (“...”).
ASCII character in the set 0...9,#,*, A, B, C, D.
Tone duration in 1/10 second. If not specified current setting of AT+VTD is used.
1...255
Multi-Tech Systems, Inc. AT Commands for EDGE Modems (S000371B) 215