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Features

Burki Voice AI provides a complete, production-ready platform for building voice-powered applications. From ultra-low latency to advanced call management, everything you need is built in.

Core Voice AI Capabilities

  • Multi-Provider Telephony: Support for Twilio, Vonage, and Telnyx with automatic provider selection per assistant.
  • Speech-to-Text: Real-time transcription using Deepgram Nova 3 with confidence scoring.
  • Natural Language Processing: Generate intelligent responses with OpenAI, Anthropic, Gemini, Groq, and xAI.
  • Text-to-Speech: Convert responses to natural speech with ElevenLabs, Cartesia, Deepgram, or Resemble.
  • Audio Denoising: Built-in RNNoise integration for crystal-clear audio quality.
  • Call Recording: Automatic recording with transcription storage and metadata tracking.
  • Live Transcript Streaming: Real-time WebSocket streaming of call transcripts for monitoring and analytics.
  • SMS & MMS Messaging: Send text messages and multimedia content through your assistants with multi-provider support.
Burki supports multiple TTS and LLM providers. You can easily switch or add new integrations at any time.

Performance & Reliability

  • Ultra-Low Latency: 0.8-1.2 second response times for natural conversations
  • Automatic Scaling: Infrastructure scales automatically with your call volume
  • 99.9% Uptime SLA: Enterprise-grade reliability for business-critical applications
  • Global Edge Network: Low-latency connections worldwide
  • Provider Fallbacks: Automatic failover to backup providers if primary fails

Multi-Assistant Management

  • Multiple AI Assistants: Configure different assistants with unique personalities and settings.
  • Phone Number Assignment: Assign specific assistants to different phone numbers.
  • Real-time Configuration: Update assistant settings without any restart or downtime.
  • Organization Management: Manage multiple teams and assistants under one account.

SMS & MMS Messaging

  • Multi-Provider SMS: Send messages through Twilio, Vonage, or Telnyx based on assistant configuration.
  • Multimedia Support: Send images, documents, and other media files via MMS.
  • Assistant-Based Routing: Messages automatically use the correct provider for each assistant.
  • E.164 Validation: Automatic phone number format validation for reliable delivery.
  • Delivery Tracking: Receive message IDs and delivery status from telephony providers.
  • Integration Ready: Easy-to-use REST API for sending messages from your applications.

Phone Number Management

  • Search & Discovery: Find available phone numbers with advanced filtering by area code, locality, and patterns.
  • Direct Purchase: Buy phone numbers instantly through the API with automatic webhook configuration and assistant assignment.
  • Multi-Provider Support: Purchase and manage numbers from Twilio, Vonage, and Telnyx in a unified interface.
  • Cost Comparison: Compare pricing between providers for the same region to optimize costs.
  • Global Coverage: Access phone numbers in 60+ countries worldwide with local presence capabilities.
  • Inventory Management: Centralized dashboard to track usage, costs, and assignment across all providers.
  • Release Management: Release unused numbers to reduce monthly costs with automatic cleanup.
  • Bulk Operations: Purchase or release multiple numbers simultaneously for scaling operations.

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.
  • Usage Monitoring: Track minutes, costs, and wallet balance in real-time.

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.
  • Data Encryption: All data encrypted at rest and in transit.

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.
  • Background Sounds: Add ambient audio to create realistic call environments.

Tools & Custom Actions

  • Built-in Call Tools: Call transfers, graceful call endings, and essential call management actions.
  • Endpoint Tools: Make HTTP requests to external APIs during conversations for CRM lookups, database queries, and third-party integrations.
  • Python Function Tools: Execute custom Python code with access to popular libraries for calculations, data processing, and business logic.
  • AWS Lambda Tools: Trigger serverless functions for scalable processing, machine learning inference, and complex workflows.
  • Tool Library: Create reusable tools that can be assigned to multiple assistants across your organization.
  • Real-time Execution: Tools execute during conversations with built-in timeout protection and error handling.
  • Sandbox Security: Python functions run in secure, isolated environments with resource limits.
  • Usage Analytics: Track tool performance, success rates, and execution times across all assistants.
Tools are independent of assistants, allowing you to build a library of reusable integrations. Create once, use everywhere.

API & Integration

  • RESTful API: Comprehensive REST API for all system operations.
  • WebSocket Support: Real-time communication for live call handling and transcript streaming.
  • Webhook Support: Configurable webhooks for call events and notifications.
  • Custom LLM Support: Integrate with various LLM providers beyond the built-in options.
  • Live Transcript API: WebSocket endpoint for real-time transcript monitoring and analytics.
For a full list of integrations and setup instructions, see the Integrations page.

Flexible Deployment Options

Burki Cloud

Fully managed platform
  • No infrastructure to manage
  • Automatic updates and scaling
  • 24/7 monitoring and support
  • Best for most use cases

BYO Mode

Bring your own API keys
  • Use your existing provider accounts
  • Full control over costs
  • Platform fees only
  • Best for cost optimization

Getting Started

Quickstart

Create your first assistant in 5 minutes

Pricing

Simple, transparent pricing

API Reference

Full API documentation