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
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Call control
Dial, bridge, transfer and hang up from your backend.
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Event webhooks
Ringing, answered, completed — signed and retried.
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Recording
Dual-channel recordings with configurable retention.
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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.