Ben Chuanlong Du's Blog

It is never too late to learn.

Stop Spam Phone Calls

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Tips

  1. Do a little bit research online first before you calling those companies!!!

Stop Spam Calls

  1. National Do Not Call Registry

  2. block a phone number if it's spam phone call

  3. Add …