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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
15 min read5Apr 7, 2026

Building Multi-Language AI Voice Agents: Supporting 57+ Languages in Production

How to architect multi-language AI voice agents — language detection, voice selection, accent handling, and per-language prompt tuning.

Technical Guides
16 min read3Apr 7, 2026

Scaling AI Voice Agents to 1000+ Concurrent Calls: Architecture Guide

Architecture patterns for scaling AI voice agents to 1000+ concurrent calls — horizontal scaling, connection pooling, and queue management.

Technical Guides
15 min read6Apr 7, 2026

AI Voice Agent Failover and Reliability Patterns for Production

Production reliability patterns for AI voice agents — multi-region failover, circuit breakers, graceful degradation.

Technical Guides
17 min read3Apr 7, 2026

Building Multi-Agent Voice Systems with the OpenAI Agents SDK

A developer guide to building multi-agent voice systems with the OpenAI Agents SDK — triage, handoffs, shared state, and tool calling.

Technical Guides
17 min read6Apr 7, 2026

AI Voice Agent Architecture: Real-Time STT, LLM, and TTS Pipeline

Deep dive into the real-time STT → LLM → TTS pipeline that powers modern AI voice agents — latency, streaming, and error recovery.

Technical Guides
17 min read9Apr 7, 2026

Twilio + AI Voice Agent Setup Guide: End-to-End Production Architecture

Complete setup guide for connecting Twilio to an AI voice agent — SIP trunking, webhooks, streaming, and production hardening.

Technical Guides
15 min read6Apr 7, 2026

Post-Call Analytics with GPT-4o-mini: Sentiment, Lead Scoring, and Intent

Build a post-call analytics pipeline with GPT-4o-mini — sentiment, intent, lead scoring, satisfaction, and escalation detection.

Technical Guides
18 min read14Apr 7, 2026

How AI Voice Agents Actually Work: Technical Deep Dive (2026 Edition)

A full technical walkthrough of how modern AI voice agents work — speech-to-text, LLM orchestration, TTS, tool calling, and sub-second latency.