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About

Send DTMF digits from the session using the method(s) configured on the endpoint in use. Use the character w for a .5 second delay and the character W for a 1 second delay.

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0. About

Send DTMF digits from the session using the method(s) configured on the endpoint in use. Use the character w for a .5 second delay and the character W for a 1 second delay.

1. Usage

Code Block
themeEmacs
send_dtmf <dtmf digits>[@<tone_duration>]

2. Example

Code Block
languagexml
themeEmacs
<action application="send_dtmf" data="0123456789ABCD*#@100"/>

Transmit the digits '0123456789ABCD*#' each having a duration of 100ms. If no duration is specified the default DTMF length of 2000ms will be used.

3. Options

For SIP calls, the digits can be transmitted via inband, RFC2833, or INFO messages. See Sofia_Configuration_Files for configuration of DTMF transmission methods in mod_sofia.

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