Features
Pre-recorded speech-to-text (Universal-3.5 Pro, 18 languages)
Pre-recorded speech-to-text (Universal-2, 99 languages)
Real-time streaming speech-to-text (Universal-3.5 Pro Realtime with Context Carryover)
Voice Agent API with built-in turn detection and interruption handling
Speech Understanding API (speaker ID, sentiment, chapters, summaries)
Guardrails for inline PII redaction and content moderation
LLM Gateway routing across GPT, Claude, and Gemini with fallback
Keyterms Prompting to improve accuracy for specific terms
Agent Management API to store and manage agent configurations
HTTP Tool Calling for Voice Agent API (no proxy server needed)
Production-ready Python and TypeScript SDKs
Self-hosted Voice AI Cloud deployment for enterprise
No concurrency limits, no throttles, no forced commitments
Global redundancy and enterprise-grade uptime
Code-switching support (Universal-3.5 Pro)
Real-time noise cancellation with system-level audio processing
AI Meeting Copilot with GPT-4 summaries and action items
Meeting transcription with speaker identification
Accent conversion for both speaker and listener sides
On-device processing for low latency and privacy
Voice translation in 80+ languages
Call Center AI with voice isolation and after-call summaries
VIVA 2.0 platform for building voice AI agents
Webhook and MCP integration support
Desktop apps for Windows and Mac
Mobile apps for iOS and Android
SOC 2 Type II and GDPR compliance
Voice Security and Speech Analytics (new in 2026)
Compatibility with 800+ communication apps
