After years of promises about next-generation wireless powering self-driving cars and robotic surgery, it's still unclear exactly what the newly launched networks are currently able to do.

The Canadian Radio-television and Telecommunications Commission has given the industry until Dec. 19 to come up with the means to block illegal caller identifications that mask the true origin of the call.

The probe will look into Canada's telecom companies' sales practices, which have faced criticism from consumers.