WebSocket Security in 2026: Rate Limiting, DDoS, and CSWSH Defense
A practical WebSocket security playbook: Origin validation, per-connection rate limits, DDoS shaping, and the CSWSH attack everyone forgets to test for.
10 min read
Archive page 743 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 743
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Latest articles
SIP REGISTER and INVITE: Deep Dive for AI Voice Agent Builders
How SIP REGISTER and INVITE work end-to-end, why your AI agent platform needs to handle 401 challenges and Record-Route correctly, and the failure modes that bite production builds.
11 min read
Agent Observability in 2026: LangSmith vs Braintrust vs Helicone vs Arize
Langfuse was acquired by Clickhouse in January 2026. Helicone is the right default for most production teams. Here is the 2026 observability picker.
10 min read
How to Build a Voice Agent Post-Call Analytics Pipeline
Score sentiment from –1.0 to 1.0, lead intent from 0 to 100, and extract structured entities from every call. Async pipeline with NATS, gpt-4o-mini, and a Postgres analytics table.
12 min read
HR Employee Chat in 2026: Workday + Moveworks 100+ Agents and the Self-Service Pattern
Moveworks ships 100+ prebuilt Workday agents inside Slack and Teams. Workday promises 14 more agents in 2026. Here is what HR self-service chat actually deflects.
10 min read
Browser-Extension Voice Agents: Chrome MV3 + WebRTC in 2026
MV3 broke a lot of things, but it left WebRTC alone. Here is how teams are shipping side-panel voice agents in Chrome and Edge in 2026, and what to watch for.
10 min
AI Hallucination Liability Under the HIPAA Privacy Rule
When an AI voice agent invents a diagnosis on a callback, the Privacy Rule treats the hallucinated content as a disclosure. Here is how the data-integrity standard and minimum-necessary rule shape liability in 2026.
11 min read
AI Voice Agent + ServiceTitan: HVAC Booking and Dispatch Pro Integration
ServiceTitan's Atlas, Dispatch Pro, and Adaptive Capacity make HVAC the most native AI voice agent vertical of 2026. We walk through Job, Appointment, and Technician APIs for a CallSphere build.
10 min read
Build a Supabase-Backed Voice Agent with RLS and Edge Functions
Use Supabase Auth, RLS-protected Postgres, and Deno Edge Functions to ship a multi-tenant voice agent. Real working SQL policies and TS code.
12 min read
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