56K V.92 Data, Fax, and Voice Chipset

Table 6-1. Voice Mode Command Descriptions (Continued)

DTMF and Tone Generation: (cont.)

c) This command can be used to send a period of silence in a tone string. Use the following format:

AT+VTS=[ , ,<duration>]

AT+VTS=[ ]

For example: AT+VTS=[ , ,50]

This sends a 500-ms period of silence.

3) Single DTMF tones or hookflashes are sent enclosed in braces “{ }”. A duration must be included, as the duration set in +VTD=n does not apply.

Use the following format:

 

 

AT+VTS={<DTMF or !>,<duration>}

 

 

For example: AT+VTS={2,30}

 

 

This command sends DTMF tone 2 with a duration of 300 ms.

 

 

For example: AT+VTS={!,50}

 

 

This command sends a hook flash with a duration of 500 ms.

+VTS=m

none

Send multiple DTMF signals and tones by combining elements in a given

(cont.)

+VTS=m command string. For example:

 

 

 

AT+VTS={!,30}, 1, 2, [1000,1300,50], !, {*,6}, [1000], 9

This command line programs the following events:

1.Hook-flash with a duration of 300 ms.

2.Send DTMF 1 for the duration specified by +VTD command.

3.Send DTMF 2 for the duration specified by +VTD command.

4.Send tone pair 1000 Hz and 1300 Hz for a duration of 500 ms.

5.Hook-flash with a duration specified by +VTD command.

6.Send DTMF * for a duration of 60 ms.

7.Send tone 1000 Hz for a duration specified by the +VTD command.

8.Send DTMF 9 for the duration specified by +VTD command.

For example:

AT+VTS=1, [, ,50], 2, [ ], 9

This command line programs the following events:

1.Send DTMF 1 for the duration specified by +VTD command.

2.Play silence for a duration of 500 ms.

3.Send DTMF 2 for the duration specified by +VTD command.

4.Play silence for a duration specified by +VTD command.

5.Send DTMF 9 for the duration specified by +VTD command.

Programmer’s Guide

Intel Confidential

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Intel MD566X manual AT+VTS= , ,duration For example AT+VTS= , ,50