CGrates Was My First Serious Look at Rating Calls and Data Sessions
Rating made telecom architecture feel less like packet forwarding and more like a business system where usage events, balances and policy all have to agree.
charging
CGrates Time Rules Taught Me to Test Billing Schedules Like Code
Recurring charging rules look harmless until timezone, month-end and relative-time semantics collide.
Charging Records Are Easier to Trust When I Trace the Event That Created Them
Usage records become meaningful only when they can be tied back to the session, rule and network event that produced them.