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Features

Why Qall delivers what other platforms promise: While vapi.ai struggles with 4-5 second latency and broken UIs, Qall provides a complete, production-ready platform with 0.8-1.2 second response times and interfaces that actually work.
Real User Experience: “I was a vapi.ai power user for 2.5 years. The UI never worked properly, latency was terrible (4-5 seconds), and their recent pricing changes would cost my startup $800/month. With Qall, I get sub-second response times and complete control over my costs.”

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Core Voice AI Capabilities

  • Twilio Integration: Handle phone calls through Twilio’s Media Streams API with WebSocket support.
  • Speech-to-Text: Real-time transcription using Deepgram Nova 3 with confidence scoring.
  • Natural Language Processing: Generate intelligent responses with OpenAI GPT models or custom LLM providers.
  • Text-to-Speech: Convert responses to natural speech with ElevenLabs, Deepgram, Inworld, or Resemble.
  • Audio Denoising: Built-in RNNoise integration for crystal-clear audio quality.
  • Call Recording: Automatic recording with transcription storage and metadata tracking.
Qall supports multiple TTS and LLM providers out of the box. You can easily switch or add new integrations.

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Multi-Assistant Management

  • Multiple AI Assistants: Configure different assistants with unique personalities and settings.
  • Phone Number Assignment: Assign specific assistants to different phone numbers.
  • Database-Driven Configuration: Store and manage assistant configurations dynamically.
  • Real-time Assistant Loading: Hot-reload assistant configurations without restart.

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Web Dashboard & Management

  • Modern Web Interface: Beautiful, responsive dashboard for managing your voice AI system.
  • Real-time Analytics: Advanced call statistics, success rates, and performance metrics.
  • Call Management: View call history, transcripts, and recordings through the web interface.
  • Assistant Configuration: Create and manage assistants through an intuitive web UI.
  • User Profile Management: Comprehensive user and organization management.

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Authentication & Security

  • Multi-tenant Architecture: Support for multiple organizations with isolated data.
  • Google OAuth Integration: Seamless authentication with Google accounts.
  • API Key Management: Generate and manage API keys for programmatic access.
  • Session Management: Secure session handling with JWT tokens.
  • Role-based Access Control: User roles and permissions system.

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Advanced Audio Processing

  • Real-time Noise Reduction: RNNoise integration for superior audio quality.
  • Voice Activity Detection: Smart silence detection and speech processing.
  • Audio Format Support: Support for various audio formats with automatic conversion.
  • Recording Quality Enhancement: Post-processing tools for improving recording quality.

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API & Integration

  • RESTful API: Comprehensive REST API for all system operations.
  • WebSocket Support: Real-time communication for live call handling.
  • Webhook Support: Configurable webhooks for call events and notifications.
  • Custom LLM Support: Integrate with various LLM providers beyond OpenAI.
For a full list of integrations and setup instructions, see the Integrations page.