We interviewed David Smith, an author of Successfully Managing Revenue Assurance, the 2001 publication that defined RA.
Episode 3 of the new season of RAG TV featured Dion Price, CEO of Trustonic, and Kingsley Unah, formerly with Airtel Nigeria.
Customers of the EE mobile network were still charged the old rates for directory enquiry calls several months after the regulator imposed a price cap.
The onus is always on telcos to check bills and payment, because customers cannot be relied upon to spot mistakes.
The Post Office admitted that a special service for the disabled had been on the wrong tariff for five years.
Test call vendor Araxxe has shared data about 3,665 charging errors they found on behalf of 61 telcos over the last three years.
Legions of customers took to Twitter after being incorrectly charged thousands of pounds for data roaming within the European Union.
giffgaff overcharged millions of customers since 2011, but the real concern should be that Ofcom seems incapable of learning from its own mistakes.
There are literally billions of bots masquerading as real users on Facebook, but no government or regulator protects Facebook customers from being wrongly billed.
Spotify rapidly resolved an error which resulted in duplicate charges, but why do data-rich businesses allow these mistakes to happen in the first place?