Pulumi for AI Voice Infra: TypeScript + ESC + Pulumi AI (2026)
Provision an AI voice stack with Pulumi 3.230+ in TypeScript: ESC for secrets, AI-generated modules, deployments-as-a-service, and uv-backed Python providers.
11 min read
Archive page 868 of 1224
AI Voice Agent Insights & Guides
Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
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ABA, UPL & AI Legal Intake Chatbots in 2026
Oregon Formal Opinion 2026-208 said yes — qualified — to autonomous AI client intake. Here is the ABA Model Rules map, the unauthorized-practice line, and the safe-harbor checklist for legal-services AI voice and chat.
10 min read
ROI of a Multilingual AI Receptionist: 57+ Languages, One Bill
Bilingual answering services charge $50-100/month extra and add $600-1,200/year in hidden costs. CallSphere covers 57+ languages at no add-on. Here is the revenue captured from multilingual coverage and the math vs human bilingual receptionists.
10 min read
Postgres RLS for Multi-Tenant AI: Tenant Isolation Done Right (2026)
Move tenant filtering out of your app and into Postgres. Row Level Security gives you database-enforced isolation that survives ORM bugs, hand-rolled SQL, and AI agents writing queries on the fly.
12 min read
Build a Voice Agent with VAPI Functions and Custom Tools (2026)
VAPI deprecated 'Custom Functions' for the Tools API. Wire a webhook tool, secure with HMAC, and ship a working appointment-booker — code + pitfalls.
10 min read
Tool-Using Agent vs Orchestrator Split: The 2026 Decision Tree
Should the planning brain also call tools? Almost never. We separate orchestrator from tool-using workers, show why mixing the two is the #1 cause of unreadable traces, and how CallSphere enforces the split across 37 agents.
10 min read
WebRTC + AI for Radio Call-In Shows in 2026: Browser-Based Studios and Smart Screening
Call in Studio runs on WebRTC. AI now screens callers, generates topic summaries, and drafts host prep notes in real time. Here is the 2026 build for AI-augmented radio.
10 min
Network Segmentation and Zero Trust for AI Call Workers Under HIPAA 2026
The 2026 NPRM names network segmentation explicitly. Here is how a HIPAA-aligned AI voice platform segments call workers, ASR, LLM gateways, and EHR connectors with zero-trust micro-segmentation.
11 min read
FastAPI WebSocket Production Patterns for AI Agents in 2026
How to run FastAPI WebSockets in production for AI voice agents: connection managers, the broadcast bug everyone hits, JWT auth on upgrade, and Uvicorn worker tuning.
11 min read
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