A2A Protocol: Google's Agent-to-Agent Spec in 2026 Explained
Google's A2A protocol lets agents discover and call other agents across vendor boundaries. The spec, the agent-card flow, and what it competes with in the agent stack.
11 min read
Archive page 658 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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Launch Voice AI in 7 Days: CallSphere Playbook vs Vapi Reality
A concrete day-by-day 7-day launch playbook for CallSphere, plus what is actually shipping in the same 7 days for a Vapi customer (still wiring vendors).
13 min read
California SB 1047 second wind — what changed in April 2026
California's SB 1047 returned in 2026 in a slimmer form, and April 2026 saw it pass the Senate Judiciary Committee with new safe-harbor language for open-weight model providers.
6 min read
Singapore Fintech AI Agents 2026: DBS, Grab, Sea Group Rollouts
Singapore fintech firms (DBS, Grab, Sea) scaled AI agents in 2026 across consumer and business channels. Here's the deployments, the MAS regulatory posture.
10 min read
WebRTC + AI Sous-Chef for Live Cooking Classes in 2026: Hands-Free Voice Guidance
Live cooking classes in 2026 stream a chef over WebRTC plus a per-attendee AI sous-chef that gives hands-free voice guidance, sets timers, and substitutes ingredients. Here is the build.
10 min
Vapi for Restaurants? Why CallSphere Stack Wins for Hospitality
Restaurants need reservations, waitlist, takeout orders and 24/7 coverage across multiple languages. Why CallSphere Salon-pattern adapts cleanly vs a Vapi DIY build.
10 min read
CrewAI Enterprise: RBAC, Audit Logs, and SSO for Regulated Teams
CrewAI Enterprise adds the controls compliance teams need. SSO, RBAC, audit logs, and where the gaps still are for HIPAA workloads in healthcare deployments.
9 min read
New York AI Bill of Rights — April 2026 progress — April 2026 update
New York's AI Bill of Rights cleared the Assembly on April 23, 2026, requiring impact assessments for high-risk AI systems used by state agencies.
6 min read
Healthcare Practice Use Case: EU AI Act Enforcement Begins — What Agentic AI Teams Need To Know
Healthcare Practice Use Case perspective on The first wave of EU AI Act enforcement landed in 2026 — here is the practical impact on agent deployments.
9 min read
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