Programmable Transfers

Empower your voice agent to seamlessly transfer calls across any telephony platform—even those not officially supported.

  • 100% Success ratio in performing cold and warm transfers, on any voice agent platform.
  • No REFER SIP REFER isn't required for Cloudonix transfers to work.
  • 5 Minutes Integrate at east in as little as 5 minutes, using your LLM custom tools.

Cloudonix programmable transfers leverage the Switch Voice application and Fork Routed Call API endpoints to route inbound calls from a traditional PSTN line to a cloud‑hosted AI voice workflow.

This architecture enables real‑time call interception, dynamic dial‑out, and on‑the‑fly voice synthesis, supporting SIP, REST, and JSON payloads, with per‑call logging, scalability to thousands of concurrent sessions, and compliance‑ready audit trails.

Unlike traditional call transfer mechanisms, such as SIP REFER, Cloudonix's API is agnostic to the telephony platform, thus, it is capable of performing transfers from any voice agent platform, to any SIP compatible phone system.

how does it work?

  1. Voice Application Execution — A call is processed using a Cloudonix Voice Application. When doing so, it is assigned with a Session Token.
  2. Data Transfer — The session token is provided to the AI Voice Agent, via a SIP Header or a WebSocket Parameter.
  3. Call Transfer Request — The AI Voice Agent performs a request to the Switch Voice Application or Fork Routed Call endpoints to transfer the call to a new destination.

Frequently asked questions

How do Cloudonix programmable transfers work?

Cloudonix uses a three-step process: first, a call is processed through a Cloudonix Voice Application and assigned a Session Token; second, the session token is passed to the AI Voice Agent via a SIP header or WebSocket parameter; third, the AI Voice Agent requests the Switch Voice or Fork Routed Call endpoint to transfer the call to a new destination.

Can Cloudonix transfer calls from any telephony platform?

Yes, Cloudonix's API is agnostic to the underlying telephony platform, enabling transfers from any voice agent platform to any SIP-compatible phone system without requiring SIP REFER.

What integration time is needed for Cloudonix transfers?

Cloudonix transfers can be integrated in as little as 5 minutes, leveraging LLM custom tools for rapid deployment.

Does SIP REFER require Cloudonix transfers to function?

No, SIP REFER is not required for Cloudonix transfers to work; the platform supports multiple protocols including SIP, REST, and JSON.

Which protocols does Cloudonix support for call routing?

Cloudonix supports SIP, REST, and JSON payloads for data transfer during the call routing process.

Is Cloudonix scalable for high-concurrency environments?

Yes, the platform scales to thousands of concurrent sessions while maintaining per-call logging and providing compliance-ready audit trails.