Plain-language explanations of the problems we work on every day, from flash-call and toll fraud to rate sheets, CDRs, SBC operations and running AI voice agents safely.
Flash calls verify users with a call that rings once and drops. Learn how flash-call abuse hurts carriers and how to detect, throttle, block or monetise it.
Read the guide, 6 minHow IRSF, Wangiri and SMS pumping (artificial traffic inflation) work, the early warning signs, and the controls that stop telecom fraud before the invoice.
Read the guide, 7 minA CDR is the record of every call. Learn what is in a call detail record, how ASR, NER and ACD are calculated, and how to analyse CDRs for billing and fraud.
Read the guide, 6 minHow wholesale VoIP rate sheets work: prefixes, effective dates, billing increments, least-cost routing and margin, with worked examples and safe rate imports.
Read the guide, 7 minWhat a session border controller (SBC) does, common SIP failure codes, and a practical checklist for operating routes, endpoints and troubleshooting across vendors.
Read the guide, 6 minWhat a bank can safely hand to an AI voice agent, what must always go to a person, and the guardrails to check before a bank phone line goes live.
Read the guide, 6 minHow hospitals and clinics can use an AI voice agent for appointments, visiting hours and billing questions, while sending emergencies straight to a person.
Read the guide, 6 minHow to run AI voice agents on your own servers with local speech-to-text, voices and language models, what it costs in speed, and when to mix in outside providers.
Read the guide, 7 minWhat an eSIM is, how provisioning works, and what an MVNO or operator needs from an eSIM controller: lifecycle, rate plans, roaming, wallet top-ups and live usage.
Read the guide, 6 minHow to hand an AI voice call to a person without making the caller start again, including browser video calls, alerts to a team and screen sharing.
Read the guide, 5 minTell us what you are trying to fix and we will show how the platform handles it.
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