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Build a comprehensive web-based testing tool for voice agents that provides real-time conversation testing, call recording, and CDR (Call Detail Record) monitoring capabilities. This FastAPI application serves a browser-based interface for testing voice agents with three main features:
  1. Talk to Your Agent - Interactive voice conversation testing with DTMF support
  2. Call Recording Server - Record and playback voice conversations
  3. CDR Logs - Monitor Call Detail Records and conversation analytics

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Features

Test your voice agent in real-time through the browser interface.Key Capabilities:
  • Real-time Voice Conversation: Connect to your voice agent via WebSocket
  • DTMF Support: Test touch-tone input using on-screen keypad or keyboard (0-9, *, #)
  • Audio Streaming: Bidirectional audio streaming at 16kHz PCM
  • Connection Management: Start/stop conversations with visual status indicators
Configuration Settings:
  • Agent ID
  • Environment ID
  • Access Token
  • Thread ID (optional)
  • WebSocket URL (defaults to current host)
Record, store, and playback voice conversations for analysis and debugging.Recording Features:
  • Automatic Recording: Captures both user and agent audio streams
  • Multiple Audio Formats:
    • user.raw - User audio (mono, 16kHz, 16-bit PCM)
    • agent.raw - Agent audio (mono, 16kHz, 16-bit PCM)
    • interleave.raw - Combined stereo audio (both channels mixed)
  • Metadata Tracking: Duration, frame counts, timestamps
  • Browser Playback: Built-in audio player with automatic PCM-to-WAV conversion
  • Recording Management: View, browse, and delete recordings
Recording Server URL:
ws(s)://<host>/record
Configure your voice runtime to send recordings to this endpoint.
Monitor and analyze Call Detail Records from your voice runtime.CDR Monitoring Features:
  • Real-time Updates: Auto-refresh every 5 seconds when viewing
  • Statistics Dashboard:
    • Total reports count
    • Successful calls
    • Failed calls
    • Last received timestamp
  • Detailed Reports: View complete CDR payloads including:
    • Transaction ID
    • Agent ID
    • Environment ID
    • Call duration
    • Turn count
    • End reason
    • Failure indicators
  • Search Capabilities: Find reports by transaction ID or thread ID
  • Report Management: Clear all reports or view individual details
CDR Webhook URL:
http(s)://<host>/cdr-webhook
Configure your voice runtime to send CDR webhooks to this endpoint.