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Callcenter.js

bygerkensm
•
4
API Development
Developer Tools
Productivity & Workflow

Connects AI voice agents to VoIP networks, enabling them to make and manage phone calls on your behalf.

About

Callcenter.js acts as a robust bridge, allowing AI assistants like Claude to autonomously initiate and manage phone calls over standard VoIP (Voice over IP) networks. It integrates OpenAI's Real-Time Voice API with SIP-based VoIP connections, translating natural language instructions into real-world conversations. This tool provides an MCP server for seamless integration with AI agents, a command-line interface for direct calls, and a TypeScript API for programmatic control, empowering AI to handle tasks such as ordering food or scheduling appointments.

Key Features

  • Multiple Codec Support (G.722 wideband + G.711 fallback)
  • Programmatic TypeScript API for building voice applications
  • 4 GitHub stars
  • AI-Powered Conversations using OpenAI's Real-Time Voice API
  • Expanded SIP Protocol Support for broad VoIP compatibility
  • MCP Server for Claude Code and other MCP client integration

Use Cases

  • Automating routine phone calls such as ordering food or making reservations
  • Integrating AI voice capabilities into Claude Code for agent-driven outbound calls
  • Programmatically building custom voice applications and services
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