2 calls in 10 minutes , a continous bip

Called 12 times in about 35 minutes to my desk phone at work - trying to fax something - beeping is the only voicemail. Number is from Canada, Ontario; We don't do business with anyone in Canada. Its most likely an automated telemarketing through fax. Comes in also as (613) 249-3235, (613) 249-3231, (613) 249-3232. Super annoying when I'm trying to work!

This is a buisness please stop calling me with a fax this is not a fax line yall have called 10 times in the last 15 min

This number keeps calling my house at 3 am and reapts for 6 X.  It needs to stop!!!  Its a FAX

I am also receiving fax attempts from this number to my cell phone - several times per day.  Does anyone know how to contact them?

Need to know how to block this fax #