Place, receive and control calls programmatically

Voice Routing

Programmatic call control with webhooks for every state change, and recordings you can fetch the moment a call ends.

Features

What it does

  • Call control

    Dial, bridge, transfer and hang up from your backend.

  • Event webhooks

    Ringing, answered, completed — signed and retried.

  • Recording

    Dual-channel recordings with configurable retention.

  • Real-time CDRs

    Cost and duration available seconds after hang-up.

Specification

The details

Protocol
SIP over UDP, TCP and TLS
Codecs
G.711 a/µ, G.729, Opus
Median PDD
38 ms
Webhook retries
5 over 30 minutes

Ready to move some traffic?

Sandbox credentials are issued immediately. Talk to an engineer before you commit to anything.