Via an email:
REMEMBER -- Cell phone numbers go public next month
All cell phone numbers are being released to telemarketing companies and you will start to receive sales calls.
YOU WILL BE CHARGED FOR THESE CALLS
Use the "Do Not Call List Canada" web site and register your phone there
This is the web address https://www.lnnte-dncl.gc.ca/insnum-regnum-eng
(Whose stupid idea was it to make cell phone numbers public???) ***UPDATE: This is a hoax.