More on Scammers Abusing TTY Services

edward ericson writes "A more comprehensive look at IP Relay scams and their effect on relay operators, the deaf, US business and the relay providers like Sprint, AT&T and MCI. Unlike a previous piece in the AZ Star, this one shows that the problem is at least a year old, and estimates that the companies have earned at least $23 million by facilitating scams. Anyone here care to discuss IP blocking techniques?" See our previous story for more.