Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
From the blog
US optometry is a $21.5B industry in 2026, every encounter requires vision-plan re-authorization, and 40% of specialty lenses need prior auth. Here is how voice AI handles the dual medical+vision benefits puzzle without putting patients on hold.
Billing chat agents touch invoices, plans, payment methods, and refunds — every one of which needs SOC 2 logging and most need PCI scope awareness. Here is how to ship a billing chat without expanding your audit perimeter.
Kamailio 6.1 lets you reload dispatcher targets, set destination state, and run MI commands over RPC without restarting the proxy. For AI voice fleets that scale up and down hourly, that is the difference between a managed cluster and a maintenance window.
PushKit is the only API that wakes a terminated iOS app for an incoming AI call. Here is what changed in 2026, why CallKit reporting is enforced, and how to ship it.
Encryption is only as good as the keys. Here is how a HIPAA-aligned AI voice platform structures KMS, HSM, BYOK, and key rotation for OpenAI, Anthropic, Bedrock, and Azure under 45 CFR 164.312 in 2026.
62% of real estate inquiries arrive outside business hours and the average agent takes 917 minutes to respond. Agents who answer in 5 minutes are 21x more likely to qualify. Here is the after-hours capture ROI for a typical brokerage.
Effective onboarding reduces first-month churn by 45% through rapid value demonstration. Here is why the modal-and-tooltip product tour is dead and what a conversational onboarding tour replaces it with.
Stream embeddings of transcript chunks into a vector index, then assign each chunk to a topic cluster in <120 ms. We compare BERTopic, OpenAI embeddings, and bge-large-en-v2 for live call topic routing.
Local presence dialing - matching outbound caller ID to the recipient's area code - lifts answer rates up to 4x in 2026 if you avoid carrier filtering. Here is the rotation strategy, DID hygiene, and reputation management that keeps numbers warm.
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