Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
From the blog
Without a schema registry, your AI event consumers break every time the producer adds a field. Confluent or Karapace plus Avro/Protobuf/JSON Schema gives you compatibility checks, evolution, and zero-surprise rollouts.
BrowserStack offers 30,000+ real devices; Sauce Labs ships deep Appium automation. Here is how AI voice agent teams use both for WebRTC mobile QA in 2026.
The Official MCP Registry hit API freeze v0.1. Smithery has 7,000+ servers, mcp.so has 19,700+, PulseMCP is hand-curated. We compare discovery, install, and security across the major catalogs.
Haystack 2.7's Agent component plus an Ollama-served Llama 3.2 gives you tool-calling RAG with citations. Here's a complete pipeline against your own document store.
AI receptionist TCO can swing 10x by pricing model. Most SMBs pay $199-$299/month for full-featured, and a 24-month all-in TCO lands at $4.7K-$7.2K — vs $100K+ for a human seat. Here is the line-by-line model.
Offline evals catch known failures. Production evals catch the unknown. Here is how we shadow-run candidate agents on live traffic without exposing customers to risk.
96% of well-designed agents close calls politely; the rest leave callers with the robotic-hangup feeling that undermines the whole flow. We map endCallPhrase tuning, silence-timeout policies, and CallSphere's vertical farewell library.
Fully autonomous agents are still a fantasy in production. LangGraph's interrupt() lets you pause for human approval mid-graph without losing state. We cover approve/edit/reject/respond actions and CallSphere's escalation ladder.
78% of issues resolve via AI bots and 87% of users report positive experiences. Here is how 2026 chat agents fire inline 1–5 stars, NPS chips, and follow-up CSAT without survey fatigue.
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