Instead of all these fancy technical counter-measures I think this really ought to be a matter of the law. Why not ban cold calls, like in Germany? Is there anyone on this planet who actually enjoys constant advertisement and harassment on their phone?
>According to Sec. 7 (2) UWG; telephone calls to consumers for sales purposes are illegal if the calling company is not in possession of an explicit and effective declaration of consent by the consumer. If the call is made to another business, it is sufficient to prove presumptive consent.
>According to Sec. 7 (2) UWG; telephone calls to consumers for sales purposes are illegal if the calling company is not in possession of an explicit and effective declaration of consent by the consumer. If the call is made to another business, it is sufficient to prove presumptive consent.