post
https://api.ytel.com/v4/call/play/
Plays audio for an ongoing call.
The audioUrl parameter is a url for an audio file that will be played into the existing call. This is mutually exclusive with sayText.
The sayText parameter is text that will be converted to audio and played into the call. This is mutually exclusive with audioUrl.
The length parameter is the length of the audio file. Default 0.
The mix parameter indicates whether the audio should be mixed into the existing all. Default false.
{
"sayText": "Hello from Ytel"
}
and
{
"audioUrl": "https://customapps.ytel.com/operations/matt/cluck.mp3"
}