PCM16 24kHz vs Vapi Pipeline: Voice Quality Deep Dive
Why PCM16 24kHz is the right audio format for realtime voice AI. CallSphere's pipeline vs Vapi's opinionated stack — codecs, sample rate, intelligibility.
9 min read
Archive page 636 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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Trump-administration AI executive orders — April 2026 status check
By April 2026 the Trump administration's three AI EOs from Jan-Feb 2025 are operational, with OMB implementation in full swing and a new EO on AI export rules expected.
6 min read
Claude Sonnet 4.6 on Google Cloud Vertex: A Hands-On Guide
Infrastructure-level look at Claude Sonnet 4.6 Vertex, including GCP Anthropic, deployment topology, region availability, and cost considerations.
9 min read
Post-Call Sentiment + Lead Scoring: CallSphere vs Vapi Analytics Gap
CallSphere auto-scores every call: sentiment -1.0 to 1.0, lead 0-100, intent, satisfaction, escalation. Vapi gives you raw recordings. Here is the analytics pipeline.
13 min read
ServiceNow Now Assist vs CallSphere Urackit for NC IT Helpdesks 2026
North Carolina mid-market IT helpdesks ran ServiceNow Now Assist against CallSphere urackit_v2 in April 2026. Per-endpoint cost, deflection rate, and end-user CSAT.
9 min read
Why Claude Sonnet 4.6 Is the Default Workhorse for Production Agents
A practical engineering deep dive into Claude Sonnet 4.6, covering architecture, tradeoffs, and what production teams need to know about production AI agents.
10 min read
Fastest Voice AI Deployment in 2026: CallSphere vs Vapi
Time-to-first-call, time-to-pilot, time-to-launch by vertical for CallSphere vs Vapi in 2026 — the definitive deployment-speed comparison.
12 min read
MCP 1.0 vs OpenAI Function Tools: A Cross-Vendor Comparison
A practical engineering deep dive into MCP 1.0 vs OpenAI, covering architecture, tradeoffs, and what production teams need to know about tool protocol comparison.
7 min read
Build a Multi-Region Voice Agent on Fly.io for Sub-500ms Global Latency (2026)
Deploy a voice agent to Fly.io's anycast network across 6 regions: Tokyo, Frankfurt, São Paulo, Sydney, Virginia, Los Angeles. fly-replay routes traffic to the closest healthy region.
11 min read
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