Tool Search and Deferred Loading for Large Tool Sets
Learn how to use ToolSearchTool and defer_loading in the OpenAI Agents SDK to manage large tool inventories, reduce token usage, and dynamically load tools only when needed.
10 min read
Archive page 1083 of 1230
AI Voice Agent Insights & Guides
Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
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From the blog
Latest articles
Tool Timeouts and Error Handling in Agent Tool Pipelines
Learn how to build resilient agent tool pipelines using timeouts, failure_error_function, and tool_error_formatter in the OpenAI Agents SDK.
8 min read
TypeScript for Agentic AI: Building Type-Safe Agent Systems
Build type-safe agentic AI with TypeScript — typed tool definitions, Zod schemas for structured output, type-safe handoffs, and generic agent classes.
11 min read
Vendor and Supplier Inquiries Route Poorly: Use Chat and Voice Agents to Clean Up the Front Door
Procurement and supplier questions often hit the wrong people first. Learn how AI chat and voice agents triage vendor inquiries before they reach operations or finance.
11 min read
Voice Activity Detection and Turn Management in Conversational AI
Master voice activity detection algorithms, turn-taking strategies, overlapping speech handling, and silence threshold tuning to build natural-sounding conversational AI agents.
11 min read
Voice Agent Latency Optimization: Achieving Sub-Second Response Times
Reduce voice agent latency to sub-second response times by optimizing STT, LLM inference, TTS pipelines, using streaming, caching, and predictive techniques.
16 min read
Voice Agent Testing and Quality Assurance
Learn how to build a comprehensive testing and QA pipeline for voice agents, covering audio simulation, accuracy measurement, regression testing, and production monitoring.
14 min read
Voice Agent Testing and Quality Assurance Strategies
Build a comprehensive testing and QA pipeline for voice agents covering audio simulation, STT accuracy measurement, TTS quality evaluation, end-to-end conversation testing, and regression monitoring.
12 min read
Voice Agent Tools: Booking, Search, and Real-Time Actions
Add function tools to voice agents for booking appointments, searching databases, processing payments, and executing real-time actions with audio feedback during tool execution.
11 min read
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