Build a Voice Agent with faster-whisper + vLLM (2026 Stack)
faster-whisper handles STT on CPU; vLLM serves a 70B model on a single H100 with 6x throughput vs HF Transformers. Here's the production-grade voice pipeline that connects them.
13 min read
Archive page 890 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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How to Build an AI Coding Assistant with Claude and MCP: Step-by-Step Guide
Build a powerful AI coding assistant that reads files, runs tests, and fixes bugs using the Claude API and Model Context Protocol servers in TypeScript.
17 min read
Why 40% of Agentic AI Projects Will Fail: Avoiding the Governance and Cost Traps
Gartner warns 40% of agentic AI projects will fail by 2027. Learn the governance frameworks, cost controls, and risk management needed to avoid the most common failure modes.
14 min read
Chat for API Debugging in B2B SaaS: Reading Logs and Suggesting Fixes in 2026
DevOps teams using autonomous AI agents save three hours daily on debugging. The same pattern works in chat support — read the customer's logs, isolate the failed call, suggest the fix. Here is how.
11 min read
ElevenLabs Conversational AI vs OpenAI Realtime API: Voice Agent Platform Comparison 2026
Head-to-head comparison of ElevenLabs Conversational AI and OpenAI Realtime API for building voice agents: latency, voice quality, pricing, languages, and function calling.
15 min read
Firefox WebRTC Roadmap 2026: AV1 by Default, H.264 Simulcast, Camera Adaptation
Mozilla shipped AV1 by default, H.264 simulcast with dependency descriptors, and OS-integrated screen capture in Firefox during 2025. Here is what is locked in for 2026 and how it affects voice AI agents.
9 min read
Onboarding Nudge Chat for D2C: The 2026 Activation Playbook
Interactive onboarding lifts activation 50% over static tutorials and chat nudges boost re-engagement 47%. Here is the 2026 chat playbook D2C teams use to drive first-week activation.
9 min read
Android FCM + ConnectionService for AI Inbound Calls (2026)
FCM high-priority + Telecom CallsManager is the Android equivalent of PushKit + CallKit for AI voice. Here is how to ship it without losing future push priority.
10 min
Scaling Socket.IO Past 100k Connections With the Redis Adapter
What it actually takes to get a Socket.IO cluster past 100,000 concurrent connections in 2026: sharded Redis adapter, namespace partitioning, and the bottlenecks nobody warns you about.
12 min read
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