Taher Talib of Shaw Communications explained why their Subex FMS automatically shares data about wangiri with other telcos.
The FCC has barred the purchase of Huawei and ZTE equipment with subsidies from their universal service fund.
Customers of Angolan operator UNITEL were said to have received calls that apparently originated from a wide range of countries.
An expert in fraud detection and the owner of a niche international carrier were the guests on the first episode of a new series of RAG TV.
FCC Chairman Ajit Pai blasted the robocallers, who are also being sued by the Texas Attorney General.
Smartphone maker Vivo ignored Indian rules requiring a unique International Mobile Equipment Identity number for each handset.
International fraud expert Colin Yates has also agreed to provide an independent check of the quality of the wangiri fraud intelligence shared via the blockchain.
Fraud managers who seek superior profits by refusing to share intelligence are wrong about crime, economics and customers. That is why they would never dare say publicly what they admit in private.
There has been no fall in the number of times the public is alerted to spikes in wangiri fraud, but the content of the warnings has evolved.
The FCC and FTC accused telcos in Canada, the UK and USA of either originating or transmitting fraudulent robocalls.