Dual-Tone Multi Frequency
Also known as DTMF. A signaling system that sends pairs of audio frequencies to represent digits on a telephone keypad. Often, it is used interchangeably with the term Touchtone (an AT&T trademark).
Glossary
SendDTMF
This operation is part of the Voice API section of the Web Services API.
Overview
Sends the provided DTMF digits. You can send DTMF digits individually with multiple requests or together with multiple digits in one request.
Important
If your solution uses SIP Server, you might need to set the sip-dtmf-send-rtp option to true for this request to succeed. Consult the SIP Server documentation for details.Request URL | /api/v2/me/calls/{id} |
---|---|
HTTP method | POST |
Required features | api-voice |
Parameters
Parameter | Value |
---|---|
operationName | SendDtmf |
digits | A string consisting of one or more digits (0-9). |
Sample
Request
POST api/v2/me/calls/012PUFMMS0ASNAK48O7GK2LAES00000J
{
"operationName": "SendDtmf",
"digits": "5"
}
HTTP response
{
"statusCode": 0
}
CometD notification
{
"data":{
"notificationType":"DtmfSent",
"call":{
"id":"012PUFMMS0ASNAK48O7GK2LAES00000J",
"state":"Established",
"callUuid":"012PUFMMS0ASNAK48O7GK2LAES00000J",
"connId":"007102719260b013",
"deviceUri":"http://127.0.0.1:8080/api/v2/devices/631608b3-ceb1-472b-ba05-2ae39555b0d1",
"participants":[
{
"e164Number":"",
"formattedPhoneNumber":"15001",
"phoneNumber":"15001",
"digits":"15001"
}
],
"dnis":"15000",
"callType":"Internal",
"capabilities":[
"SingleStepTransfer",
"InitiateConference",
"Hold",
"SingleStepConference",
"InitiateTransfer",
"SendDtmf",
"DeleteUserData",
"AttachUserData",
"DeleteUserDataPair",
"Hangup",
"UpdateUserData"
],
"duration":"27",
"mute":"Off",
"supervisorListeningIn":false,
"monitoredUserMuted":false,
"monitoring":false,
"uri":"http://127.0.0.1:8080/api/v2/me/calls/012PUFMMS0ASNAK48O7GK2LAES00000J",
"path":"/calls/012PUFMMS0ASNAK48O7GK2LAES00000J"
},
"phoneNumber":"15000",
"extensions":{
"BusinessCall":0
},
"messageType":"CallStateChangeMessage"
},
"channel":"/v2/me/calls"
}
This page was last edited on October 31, 2023, at 13:26.
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