Transcription

The <Transcription> verb enables real-time speech-to-text transcription for the call.

ATTRIBUTE	DESCRIPTION	OPTIONS	DEFAULT
language	Language to use for speech recognition.	de, en, es, fr, it, pl	en
interimResults	Whether to send also interim results. If set to false, only final results will be sent. Applies to transcriptionEngine A only.		false
transcriptionEngine	Engine to use for speech recognition.	A, B	A
transcriptionTracks	Indicates which leg of the call will be transcribed. Use inbound for the leg that requested the transcription, outbound for the other leg, and both for both legs of the call.	inbound, outbound, both	inbound
transcriptionCallback	URL that tells Telnyx where to make its GET or POST requests with transcription data.		-
transcriptionCallbackMethod	HTTP request type used for transcriptionCallback.	GET, POST	POST

<?xml version="1.0" encoding="UTF-8"?>
<Response>
  <Start>
    <Transcription language="en" interimResults="true" transcriptionCallback="/transcription" />
  </Start>
</Response>

transcription-callback

{
    "AccountSid": params.user_id,
    "CallSid" => call_sid,
    "CallSidLegacy" => call_sid,
    "Transcript" => params.transcript,
    "IsFinal" => params.is_final,
    "Confidence" => params.confidence
}

ATTRIBUTE	DESCRIPTION
AccountSid	A unique identifier for the account generating this call.
CallSid	A unique identifier for this call, generated by Telnyx.
CallSidLegacy	A unique identifier for the call sent to keep backward compatibility.
Transcript	The result of the transcription.
IsFinal	Indicates if the provided transcription is final, supported by engine A only
Confidence	Indicates the level of confidence in the accuracy of the transcription. Possible value 1 (high confidence) - 0 (low confidence), supported by engine A only