Build AI Call Agents with Azure OpenAI Realtime API (Start FREE with $200 Credits): Manual vs. RealtimeSIP

TL;DR: Azure gives you $200 FREE credits to test AI call agents with GPT-4o voice. Build it yourself with Azure + Twilio + Node.js (12+ hours, 450+ lines of code) or use RealtimeSIP (paste Azure endpoint, 5 minutes, zero code). EU data residency incl...