Support for Third-Party ASR, TTS, and Voice Biometrics

Automatic Speech Recognition (ASR)

We support the following third-party service providers for ASR services:

Type	ASR Provider	Deployment	Languages	Regions	Notes
Native	Microsoft Azure Speech Services ASR	Cloud & On-Prem	100+ languages/locales	Global Azure regions	Supports custom speech models and phrase lists for improving recognition accuracy.
Native	Google Cloud Speech-to-Text	Cloud	125+ languages	Global	Supports automatic punctuation and speaker diarization features.
Native	Amazon Transcribe	Cloud	100+ languages/dialects	Global AWS regions	Supports channel identification and domain-specific vocabularies.
Native	Deepgram	Cloud & On-Prem	Multiple languages	Global	Low latency real-time transcription; custom model training supported.
Native	OpenAI ASR	Cloud	100+ languages	Global	Uses Whisper models for multilingual transcription and translation.
Native	Amivoice ASR	Cloud	Japanese, English, Chinese, Korean	-	-
Custom	Emotech ASR	Cloud	-	-	-
Custom	RTZR ASR	Cloud	-	-	-

Text to Speech (TTS)

We support the following third-party service providers for TTS services:

Type	TTS Provider	Deployment	Languages	Regions	Notes
Native	Microsoft Azure Speech Services TTS	Cloud & On-Prem	100+ languages	Global Azure regions	Neural voices and custom neural voice training available.
Native	Google Cloud Text-to-Speech	Cloud	50+ languages	Global	Includes WaveNet neural voices.
Native	Amazon Polly	Cloud	30+ languages	Global AWS regions	Supports neural voices and SSML speech marks.
Native	Deepgram TTS	Cloud & On-Prem	Limited languages	Global	Real-time conversational TTS optimized for voice agents.
Native	ElevenLabs	Cloud	30+ languages	Global	Human-like voices with stability, speed, and style controls.
Native	OpenAI TTS	Cloud	Multiple languages	Global	Natural sounding voices with limited voice options.
Native	NvIdia Riva	On-Prem	11+ languages	-	-
Custom	Sarvam TTS	-	-	-	-
Custom	IST TTS	-	-	-	-	-
Custom	Emotech TTS	-	-	-	-
Custom	MiniMax AI TTS	-	-	-	-

MiniMax AI TTS is a custom TTS provider that isn’t available by default. To use it, contact Support.

Type	Vendor	Engine	Deployment	Notes
Custom	ID R&D	ID Voice	Cloud & On-Prem	Voice authentication and fraud detection engine.

Type

Vendor

Engine

Deployment

Notes

Custom

ID R&D

ID Voice

Cloud & On-Prem

Voice authentication and fraud detection engine.

​Automatic Speech Recognition (ASR)