Opaque RPC errors hide the SIP response codes you need for outbound call retries
By Rokas Remeika. Published 28 September 2026. When an outbound SIP call fails, the client frequently throws an opaque RPC error string that hides t…
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How to Build a Real-Time Voice AI Agent with the Gemini Live API
This post was originally posted on X , by Annie Wang, Developer Relations Engineer, Google Cloud and Annie Cusack, Developer Marketing Manager, Goog…
Beyond Generative LLMs: Architecting Sub-10ms Voice AI with Felona Voice
The promise of conversational AI has always been a natural, instantaneous interaction. Yet, for many developers building voice agents, the reality h…
Voice Agents in Microsoft Foundry: Inside the Realtime Speech-to-Speech Architecture
Voice Agents in Microsoft Foundry: Inside the Realtime Speech-to-Speech Architecture (and Why Function Calling Is Harder Than It Looks) Why this mat…
Voice‑driven murder mystery: interview AI suspects with your voice
What Happened The new web app at https://www.whodunnitai.com/ turns a murder mystery into a voice‑only game. Players record questions; the audio is…
Building FinSaathi: A Voice-First AI Financial Assistant with LiveKit and Murf
Building FinSaathi: A Voice-First AI Financial Assistant Financial information can be difficult to understand. Banking terms, loans, credit scores,…
How I Built a Real-Time Multilingual AI Voice Tutor for Bharat (And Solved the 55ms Latency Problem)
How I Built a Real-Time Multilingual AI Voice Tutor for Bharat (And Solved the 55ms Latency Problem) 10 Days of Voice AI Challenge — VoiceForBharat…
Building Arogya Seva: How I Built an Ultra-Low Latency Telehealth Voice AI for Bharat in 10 Days
Introduction: The Problem & The Mission Across rural and semi-urban India, access to timely healthcare advice is hindered by high patient-to-doc…
Building Vidya: An Ultra-Fast Bilingual Voice AI Tutor with Murf Falcon & LiveKit (10 Days of Voice Agents)
Building Vidya: An Ultra-Fast Bilingual Voice AI Tutor. Over the past 10 days, as part of the #VoiceForBharat 10 Days of Voice Agents Challenge , I…
Building Anisha: My 10-Day Journey to a Voice Agent for Learning & Literacy
Over the last 10 days, I built Anisha, a voice agent for Learning & Literacy that can talk with users, remember them, provide learning exercises…
Building a Voice Agent in 10 Days — My VoiceForBharat Journey
Building a Voice Agent for a Local Indian Store: 10 Days of Voice Agents — VoiceForBharat Edition Building a voice agent sounds simple at first. Lis…
How I Built Kisan Vaani: A Multi-Agent Voice AI Assistant for Indian Farmers
Over the last 10 days, I participated in the 10 Days of AI Voice Agents (Voice for Bharat Edition) challenge by Murf AI. My goal was to build a real…
Building Roshni: A Real-Time, Multi-Agent Financial Voice AI for Bharat 🇮🇳
Building Roshni: An Ultra-Low Latency, Multi-Agent Financial Voice Assistant for Bharat 🇮🇳 How I built an end-to-end, multilingual financial voice A…
EU AI Act Voice Watermarking: What TTS Builders Must Know
The EU AI Act voice watermarking rules took effect on August 2, 2026. Every AI system that generates synthetic audio, image, video or text must now…
OpenAI Presence: Voice Agents You Can't Self-Serve
OpenAI Presence is an enterprise product for deploying voice and chat agents, announced on July 22, 2026, and you cannot buy it with an API key. Dep…
What a HIPAA-Compliant AI Voice Agent Actually Costs
A HIPAA-compliant AI voice agent for healthcare typically costs $40,000-$150,000 to build, depending on call complexity and EHR integration, plus $2…
Hosting Is Not Owning
Last week I deleted the sentence I was proudest of. It said I run hand-built inference engines: serving stacks I wrote myself, running Qwen and Deep…
I Made My Voice Agent Feel Faster by Streaming Sentences, Not Audio
The annoying thing about voice agents is that “the model is fast” does not mean the experience is fast. I had a small voice assistant running on a l…
The Real Cost of DIY: Building a Voice Agent on Twilio + OpenAI
In 2024, I decided to build a voice agent from scratch. The plan was simple: use Twilio for telephony, OpenAI Whisper for speech-to-text, GPT-4 for…
OpenAI Shipped Your Voice Stack at $0.25/Min. Vapi Went Enterprise. The Infra Layer Abandoned Agencies in Eleven Days.
On May 7, OpenAI made gpt-realtime-2 generally available in the Realtime API at roughly $0.25 to $0.35 per minute of conversation, with GPT-5-class…
Why Realtime Voice AI Could Be The Next Big Shift After Chatbots
Chatbots changed how users talk to software, but Realtime Voice AI could change how they use it. Typing is slow. Menus are tiring. Users want answer…
Voice AI Outside the US: Double the Price, Worse Experience (And How We're Trying to Fix It)
Every major voice model lab hosts in us-east or us-west. If you're building voice agents in Sydney, Mumbai, or Jakarta, your audio round-trips to Vi…
I built an AI phone receptionist in 3 weeks. Here's what nobody tells you.
I want to share something I've been working on for the past few weeks, mostly because I couldn't find a single honest write-up about it when I start…
Building an AI Voice + SMS Lead Qualification System for Real Estate
We recently shipped a voice AI and SMS automation system for a real estate lead generation company. The goal was simple. Every buyer lead gets calle…
Build a voice agent with LiveKit and AssemblyAI’s Voice Agent API
Why combine LiveKit and the Voice Agent API WebRTC and AI are different problems with different best-in-class solutions: LiveKit is the easiest way…