Technical Guides
15 min read3Apr 7, 2026
AI Voice Agent + HubSpot CRM Integration: Complete Developer Guide
Build a production integration between an AI voice agent and HubSpot CRM — contact sync, call logging, and deal creation.
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Technical Guides
Technical Guides for AI Voice Agent Engineers
Deep technical guides for building, scaling, and operating AI voice agents — OpenAI Realtime API, Twilio, multi-agent architectures, observability, and reliability patterns.
9 of 20 articles
Technical Guides
16 min read7Apr 7, 2026
SIP Trunking for AI Voice Agents: Carrier Selection and Architecture
A technical guide to SIP trunking for AI voice agents — carrier comparison, codec selection, and high-availability patterns.
Technical Guides
16 min read5Apr 7, 2026
How to Train an AI Voice Agent on Your Business: Prompts, RAG, and Fine-Tuning
A practical guide to training an AI voice agent on your specific business — system prompts, RAG over knowledge bases, and when to fine-tune.
Technical Guides
15 min read9Apr 7, 2026
Webhook Patterns for AI Voice Agents: Idempotency, Retries, and Security
Production webhook patterns for AI voice agents — idempotency keys, retry strategies, signature verification, and observability.
Technical Guides
15 min read5Apr 7, 2026
Prompt Injection Defense for AI Voice Agents: A Security Engineer's Guide
Practical prompt injection defenses for voice agents — input sanitization, output guardrails, and adversarial testing.
Technical Guides
15 min read6Apr 7, 2026
AI Voice Agent Call Recording: TCPA, CCPA, and GDPR Compliance
Call recording compliance for AI voice agents — TCPA two-party consent states, CCPA disclosure, GDPR, and audit trails.
Technical Guides
19 min read7Apr 7, 2026
Building Voice Agents with the OpenAI Realtime API: Full Tutorial
Hands-on tutorial for building voice agents with the OpenAI Realtime API — WebSocket setup, PCM16 audio, server VAD, and function calling.
Technical Guides
15 min read3Apr 7, 2026
Integrating AI Voice Agents with Google Calendar: Production Guide
How to build production-grade Google Calendar integration for AI voice agents — OAuth, real-time availability, conflict resolution.