Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
From the blog
Build low-latency browser-based voice agents using WebRTC peer connections and OpenAI's Realtime API — from obtaining ephemeral tokens to establishing audio tracks and handling speech-to-speech interactions.
Enable WebSocket transport in the OpenAI Agents SDK for persistent connections, reduced latency, and faster multi-turn agent interactions using set_default_openai_responses_transport.
Incomplete intake and application forms create revenue delays and admin burden. Learn how AI chat and voice agents help customers finish what they started.
How AI alignment actually progressed: RLHF, Constitutional AI, debate and scalable oversight compared — and which hard problems are still unsolved.
How to design APIs for AI agent platforms — comparing REST, GraphQL, and gRPC for agent invocation, streaming responses, tool registration, and multi-agent orchestration.
A technical guide to building real-time voice AI agents using WebRTC for audio transport, speech-to-text, LLM reasoning, and text-to-speech in a low-latency pipeline.
Reservation demand often peaks when staff coverage is light. Learn how AI chat and voice agents capture bookings during evenings, weekends, and holidays.
How to build responsive AI applications using streaming, WebSockets, and SSE, with practical patterns for token streaming, agent status updates, and real-time collaboration.
Where Claude's agentic stack is heading — shared skill ecosystems, standard composition, governance — and the hygiene to prepare for it without over-betting.
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