Agent Evals as CI Gates: How PromptFoo Became the Merge Blocker
OpenAI acquired PromptFoo for $86M in March 2026. Treating agent evals as merge-blocking CI gates is the new production baseline.
9 min read
Archive page 778 of 1230
AI Voice Agent Insights & Guides
Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
11,066 articlesArchive page 778
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How to Deploy a Voice Agent to k3s with Twilio + Cloudflare Tunnel
Containerize your Node.js Twilio bridge, deploy to k3s with a single Helm-less manifest, and expose the WebSocket via Cloudflare Tunnel — no public IP, no LoadBalancer fees.
11 min read
Restaurant Voice Agent 2026: OpenTable + Toast Reservations, No-Show Recovery
Restaurants miss 30-50% of phone reservations during peak. Here is how a 2026 AI voice agent on OpenTable + Toast captures the overflow and runs the no-show recovery cadence.
9 min read
B2B SaaS In-App Chat in 2026: Fin's 67% Resolution Rate and the Outcome-Pricing Math
Intercom Fin reports 67% resolution across 40M+ conversations at $0.99 per resolution. Here is when in-app chat AI saves money and when it does not.
11 min read
Parents, Minors, and AI Scheduling: How HIPAA and State Law Collide
Most state laws give minors confidential access to certain types of care. An AI scheduler that does not understand the carve-outs hands a parent information the minor's state law protects.
11 min read
AI Voice Agent + Square: Salon Bookings, Restaurant Orders, and KDS Integration
Square's 2026 AI agent updates added voice ordering, restaurant inventory, and salon onboarding automation. Here is how a CallSphere voice agent talks to Square's Bookings, Orders, and Catalog APIs.
10 min read
Build a Cloudflare Workers + Durable Objects Voice Agent
Per-call state with Durable Objects, voice transport with Cloudflare Realtime, and tools via the Agents SDK. Real Workers code that scales globally.
13 min read
Chaos Engineering for AI Voice: Gremlin Patterns and Agent-Specific Failure Injection
Pod kills don't break voice agents — they break tool retries and barge-in. Real chaos for voice means corrupting tool results and cutting LLM streams mid-response. Here's how to do it safely.
11 min read
Kamailio Dispatcher for AI Voice Scaling in 2026: Round-Robin Is Not Enough
Kamailio 6.0's dispatcher module is how you horizontally scale AI voice bridges behind a SIP front-end. Round-robin is the easy answer; call-load and weight-based dispatching is the right one.
10 min read
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