Incoming Unknown Name call from: (204) 975-3302
Sun.16 Feb.2020 at 6:34 pm Edmonton, AB Canada
I did not pick up my landline phone.

The number called.
And left no message.

I have received 2 phone calls from this number in the same day. They did not leave a message, so I assumed it was telemarketers. I have tried to use "reverse lookup" to find out who the number is registered to but do not get a name. The number is from Manitoba though.

who is this that's calling

http://www.cbc.ca/news/canada/faq-canada-s-do-not-call-list-1.940923"Canadians can add their land line and cellphone numbers to the do-not-call list by registering them online or by phoning 1-+1 866-580-3625 (you must phone or fax from the number you wish to register.) Registration is free."Takes 2 minutes.  If any telemarketers call after 31 days, call the police.

They called today and no message was left. I missed the call, thankfully

they're scammers

They just hang up.

It has nothing to do with ISIS, or any terrorists.

These people are scam artists not legitimate debt collectors. They try to wear you down and scare you. They have been threatening legal action for over 6 months now. If they were on the level, they would have taken legal action  a long time ago. Change your number and block all calls from this one and others from which you will also receive calls. If you can get help from a government consumer protection agency, try that as well. These creeps need to be prosecuted.