Voice Engine

Sound human. Respond fast.

Multi-provider TTS with ElevenLabs, OpenAI, PlayHT, and Retell-native voices—optimized for latency, prosody, and turn-taking.

Ultra-low latency

Sub-600ms response targets with streaming TTS and optimized LLM routing.

~600ms

Natural prosody

Voices trained on real conversation data—not robotic sentence reading.

Global telephony

Carrier-grade inbound/outbound with SIP trunking and number provisioning.

50+ countries

Turn-taking

Agents know when to listen and when to speak—no awkward overlaps.

Compare voice providers side-by-side

We'll demo the same script across engines so you pick what fits your brand.