// features

A complete stack for production voice.

Everything you need to design, deploy, monitor and scale voice agents — without stitching seven vendors together.

Voice runtime

01 / 04

Sub-500ms turns

End-to-end pipeline tuned for natural turn-taking and barge-in.

Studio voices

Stock, branded or cloned voices with emotion and SSML.

Background sounds

Ambient noise profiles for call centers, retail and quiet rooms.

Reasoning & tools

02 / 04

BYO model

Any LLM via URL — OpenAI, Anthropic, Gemini or self-hosted.

Function calling

Tool calls with retries, timeouts and deterministic test harness.

40+ languages

Switch language mid-call without losing context.

Telephony & channels

03 / 04

PSTN & SIP

Bring numbers, port them, or buy them. Inbound and outbound.

Webhooks

Lifecycle events for every turn, tool call and call end.

Web & mobile SDKs

Drop-in voice in your web, iOS or Android app.

Observability & trust

04 / 04

Analytics

Per-agent KPIs, sentiment, call outcomes and transcripts.

Enterprise-grade

SOC2-aligned, EU residency, PII redaction and audit logs.

Replay & A/B

Replay real calls against new prompts. Ship with confidence.

Need a feature we missed?

We ship weekly. Tell us what your voice product needs and we'll likely have it on the roadmap.

Talk to the team →