No way to hide from 'spit' web calls

2019-03-02 08:09:00

AS IF unsolicited sales calls weren’t bad enough, now you can be subjected to spit too, or “spam over internet telephony” messages. To make matters worse, current deterrents may be useless. Spit is particularly annoying because a call is more intrusive than a spam email. What’s more, spam filters don’t block spit since the content of a call is only known once it has been made. Existing efforts to block spit range from tests to ensure the caller is human, to analysis of users’ internet traffic. But these efforts are ineffective,