Incoming Call Blocker w/ Blacklist/Whitelist - Blocks "Unknown" Numbers, Wildcards Includes a 12-Month subscription of HQTelecom's Virtual BLACKLIST -- With the purchase of this call blocker, you will also get a 12-month subscription to our new Virtual BLACKLIST / Unsolicited Phone Lookup service with 30+ million unsolicited phone numbers registered. This is an online search tool that will help you identify phone numbers linked to scams & frauds.