LangSmith Evals 2.0: Online Evaluators for Production Agents
LangSmith Evals 2.0 ships online evaluators that score live traces continuously. How sales and CX teams instrument production agents for drift and regressions.
10 min read
Archive page 705 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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Sales and RevOps Lens: Sierra's Latest Round and the State of CX Agents
Sales and RevOps Lens perspective on Sierra's funding momentum signals the customer-experience agent category has crossed from experiment to enterprise budget line.
9 min read
SMS Escalation Built-In: CallSphere Twilio Stack vs Vapi
CallSphere fires Twilio SMS in parallel with calls during after-hours escalations. Vapi has no SMS primitive. See the parallel notification flow and code paths.
11 min read
AI Voice Agent + ConnectWise PSA: MSP Ticket Triage With Sidekick Integration
ConnectWise Sidekick ships 70+ AI-assisted actions and Service AI now triages across 6 PSAs. Here is how a CallSphere voice agent creates, updates, and resolves tickets in ConnectWise PSA.
9 min read
AI Voice in the UAE 2026: TDRA, Licensed VoIP, and the New Outbound-Call Rules
How TDRA's licensed-VoIP-only regime, the e& and du PSTN gateway requirement, the 2025-2026 outbound-call approval rules, and the Do Not Call Registry shape AI voice agents in the UAE.
11 min read
Atomic Agents Review: Modular, Pydantic-First Agent Design 2026
Atomic Agents takes a Lego-block approach to agent design. The composability story and where it beats heavyweight frameworks for fast-moving experimental teams.
9 min read
Which Voice AI Is Better in 2026: CallSphere or Vapi? Complete Verdict
The 2026 verdict on CallSphere vs Vapi: who wins, on what evidence, and which buyer profile each platform fits — plus a decision matrix.
12 min read
Sales and RevOps Lens: Claude Opus 4.7 1M Context Window
Sales and RevOps Lens perspective on Anthropic's Claude Opus 4.7 ships with a 1-million-token context window — a step change for long-running agentic workloads.
9 min read
Vapi Pricing Decoded: Why Real-World Voice AI Hits $0.33/min
Vapi's $0.05/min is a platform fee, not a finished product. Here are the 5 vendors you actually pay — and why CallSphere bundles them.
13 min read
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