This number calls at least once a day.  I've aked them nicely - not so nicely - threatened - and even leave them hanging.  I'm told they are a pharmacy company.  I don't know where to go with it now.  Any ideas?

Call from (416) 555-7777 (unused number) then hangup.
Caller id was "sialk.ca"

The CRTC will be involved next time.
My number is on the "do not call" list.

caller said nothing

I got a call from this number, but no one said anything.

I recieved a call from (416) 555-7777 i did  not answer then i decided to google it and i got to these site. I can't believe this #$%$^%. Thank god i looked these up. Next time he calls before he even says anything i should tell him to go and $%^%^% himself.