Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
From the blog
Shopify shipped Agentic Storefronts to ChatGPT, Copilot, Gemini, and Google AI Mode in 2026 and extended B2B to all plans. Here is how a chat agent on top of Shopify Plus B2B closes 28% more wholesale deals and lifts AOV 19%.
GPT-4o went from $30/$60 to $2.50/$10 per 1M tokens — 10–12x cheaper in 24 months. Voice all-in dropped from $0.60–1.20/min to $0.12–0.45/min. Why the deflation slows after 2026.
Voice fades, text sticks. Sending a structured SMS receipt 4 seconds after the call closes lifts no-show prevention 22% and CSAT 0.5 points. We ship the trigger map, payload format, and CallSphere's auto-receipts.
Webinar attend rates sit at 35-45%. AI voice reminders 24h and 1h pre-event lift attendance to 65-75%. Here is the conference, webinar, and corporate-event reminder build.
Inline Calendly and Cal.com pickers raise booking conversion 30%+ over link-outs. Here is how 2026 chat agents render time slots, confirm bookings, and cut no-shows by 35%.
ASVspoof 5 ships 32 attack types and ~2K speakers — the largest open spoofing benchmark in 2026. Here is how to deploy ASVspoof-trained detectors in front of a production voice agent without killing latency.
Mispronouncing 'metformin' destroys caller trust in 30 seconds. Domain adaptation drops Word Error Rate 2–30 points in healthcare and legal. We cover ASR vocabulary biasing, TTS pronunciation lexicons, and acoustic LoRA for voice agents.
Bun 1.3 + Hono is 2x faster than Node + Express for WebSocket relays. Wire it to gpt-realtime-2 and deploy to Fly.io edge for sub-500ms voice-to-voice in 6 regions.
A plain-English guide to AI voice technology — LLMs, STT, TTS, RAG, function calling, and latency budgets. Learn how modern voice agents actually work.
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