Tag
Routing
Engineering write-ups, fraud analysis and unvarnished opinions about wholesale telecoms.
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Engineering
Why answer-seizure ratio lies to you
ASR is the first number everyone looks at and the easiest one to game. Here is what it hides, and which metrics actually predict a good call.
Glovox Telecom 2 min read -
Industry
Number portability is a distributed systems problem
Portability broke the assumption that a prefix identifies an operator. Routing on stale data is how calls end up somewhere expensive.
Glovox Telecom 1 min read
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Roughly monthly. Engineering write-ups and fraud analysis, not product announcements.