Discover Fonoster: The Superior Open-Source Alternative to Twilio - Subscribed.FYI
Open Source


Fonoster is a cloud communications platform offering a unified hub for voice and video calling, messaging, and collaboration. Scalable and developer-friendly, it caters to businesses of all sizes, enabling customization and seamless integration for enhanced communication. Explore Fonoster to elevate your communication capabilities.

Fonoster: The Open-Source Alternative to Twilio - Get the most out of Fonoster

How much can customers save with Fonoster deal?

Free Usage for Community

How to Use:

Step 1: Exploring Fonoster Initially, explore Fonoster's features through the Software as a Service (SaaS) option, which offers a free start and comprehensive experience. Step 2: Installation Advisory Note that the current installation process for Fonoster is complex. Wait for the upcoming 0.4 or 0.5 release for a more user-friendly installation experience. Features of Fonoster 0.4:
  • Multitenancy
  • Easy deployment of PBX functionalities
  • Programmable Voice Applications
  • NodeJS SDK
  • Support for Amazon Simple Storage Service (S3)
  • Secure API endpoints with Let's Encrypt
  • Authentication with OAuth2 and JWT
  • Role-Based Access Control (RBAC)
  • Plugins-based Command-line Tool
  • Support for Google Speech APIs
  • Secrets managed by Hashicorp Vault
Code Examples:
  • Fonoster provides code examples for Voice Applications using various verbs like Answer, Hangup, Play, Say, Gather, Dial, Record, Mute, Unmute, etc.
  • Voice Application Example using SDK:
    const { VoiceServer } = require("@fonoster/voice"); const serverConfig = { pathToFiles: `${process.cwd()}/sounds`, }; new VoiceServer(serverConfig).listen(async (req, res) => { await res.answer(); await`sound:${req.selfEndpoint}/sounds/hello-world.sln16`); await res.hangup(); });
Step 3: Originating a Call with the SDK: Use the Fonoster SDK to start a call with just a few lines of code. Step 4: Resources for Getting Started:
  • Deploying Fonoster to the Cloud
  • Getting started with Fonoster
  • Connecting Fonoster with Dialogflow
  • Using Google Speech APIs
Step 5: Engagement and Community: Join the Fonoster community of contributors and advocates. Step 6: Pricing Options: Fonoster offers free and paid plans with different features and support levels.

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