CPR Global Technology developed the call blocker technology to provide a needed solution to block personal harassment phone calls. CPR Global Technology constantly looks at new ways that CPR Call Blocker can provide assistance to stopping the ever growing problem of oblique scam calls. This includes product updates being released every six months to ensure that CPR Call Blocker is always one step ahead in blocking the newest types of nuisance calls and the technology that the cold calling and scam calling industry is using.