Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
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SIP REFER is how your AI voice agent hands a call to a human without losing context, caller ID, or attestation. Here is the wire-level mechanics of cold, warm, and attended transfers in 2026.
Twenty-four-plus states have adopted the NAIC Model Bulletin and the AI Systems Evaluation Tool pilot launched in January. Here is what the 2026 insurance sales voice stack needs.
Why tiered caps beat both pure usage and pure seat for AI voice. The math behind $149/$499/$1,499, headroom factors, and how to design your own caps without alienating power users.
Stop running brittle nightly batches. Postgres logical replication gives you sub-second CDC into a warehouse, feature store, or vector index. A working publication, slot management, and a Supabase ETL Rust example.
Practical patterns for agent safety including prompt injection detection, PII filtering, hallucination detection, output content moderation, and circuit breaker implementations.
Comprehensive guide to semantic search for AI agents covering embedding model selection, document chunking strategies, and retrieval optimization techniques for production systems.
When every urgent request sounds the same, teams struggle to triage. Learn how AI chat and voice agents classify urgency and route the right cases first.
CNAM is the legacy carrier database that displays your business name on a recipient's screen. In 2026 it works for local numbers, fails for toll-free, and is being eaten by branded calling. Here is what to register, what not to bother with, and how it interacts with STIR/SHAKEN.
Voice agents face the same prompt injection risk as chat - the catch is the attack arrives over audio. Here is the 2026 threat model, defensive patterns, and how we test it on every release.
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