Voice Agent Memory for Receptionist Bots: A Real Production Build
Receptionist bots need to remember callers across visits without violating privacy. The privacy-aware memory architecture for voice receptionists that scales cleanly.
9 min read
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AI Voice Agent Insights & Guides
Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
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Smart Escalation Ladders: CallSphere Built-In vs Vapi DIY
Acknowledgments table, ladder configs, 120s timeout — built-in on CallSphere. On Vapi this is a from-scratch state-machine engineering project.
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Seattle's AWS and Microsoft Teams Adopt Claude Code 2.1 Hooks
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The Claude Refusal Tax: How Anthropic's Caution Costs Production Teams Real Money
Public refusal benchmarks show Claude declines legitimate enterprise prompts more than peers. Here is how to quantify the cost and engineer around it.
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London Fintech AI Agents 2026: Revolut, Monzo, Starling Story
London fintech scaled AI agents fast in 2026 across the neobank cohort. We profile Revolut, Monzo, and Starling deployments, the FCA implications.
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The 200K Context Window That Wasn't: Claude's Effective Memory Tested Under Load
Marketing context length is not effective context. We test Claude's memory under realistic load, compare to Gemini and GPT, and give you a hard rule of thumb.
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SMB Founder Playbook: Anthropic's Signed MCP Registry — Solving Server Discovery
SMB Founder Playbook perspective on Anthropic launched a signed MCP registry to solve the server discovery and trust problem that held back enterprise adoption.
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Anthropic's $4B Amazon Deal: Was Independence Sold to AWS?
Inside Amazon's ~$8B cumulative investment in Anthropic, Trainium exclusivity, AWS Bedrock distribution, and what compute capture means for governance independence and enterprise risk.
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How Claude and GPT Hallucinate Differently — and Which Is Worse for Enterprise
Claude and GPT hallucinate in different shapes. We compare confident factual vs process hallucinations and explain why calibration beats raw rate.
12 min read
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