Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
From the blog
Annual prepay typically saves 15–20% but locks in a model price that's depreciating ~50%/year. We model the breakeven, the 'price-drop hedge' clause, and when monthly is the smarter move.
Most voice agents are demoed in quiet rooms; real callers are in cars, kitchens, and waiting rooms. We compare RNNoise, Krisp, AWS Connect Audio Enhancement, and CallSphere's noise-aware re-prompting.
NYC's AEDT bias-audit law is the most-tested AI hiring rule in the US. If your voice agent screens or schedules candidates for NYC roles, you trigger it. Here is how the rule works and where voice AI vendors quietly fail.
CrewAI's hierarchical process auto-spawns a manager that delegates to role-defined workers. We show what works, what breaks (custom manager prompts!), and how it compares to LangGraph's supervisor for production teams.
AI call logs grow 100GB+ per month per tenant. Native Postgres range partitioning + pg_partman keeps queries fast and retention painless. A working schema, retention job, and pruning checklist.
Customers spend only 10-30% of their LTV on first purchase. Reactivation is 5x cheaper than acquisition. AI voice unlocks the dormant 70% — here is the win-back build that actually converses.
Typing indicators within 200–500ms cut abandonment by up to 40%. Here is how 2026 chat agents stream tokens, mask latency, and keep users from refreshing.
Endpointing decides the exact moment to send the transcript to the LLM. VAD-only is naive; semantic endpointing uses context. We compare both, with model-based turn detection benchmarks for 2026.
Twilio Functions is a 5-second deploy serverless runtime that pairs with Programmable Voice. We show CallSphere's lightweight webhook layer, OpenAI proxy patterns, and the limits that push you to your own runtime.
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