I also received a call from this number, and it was a voice I couldn't recognize, and then it hung up.  Doing some research, I have also read comments that it ended up being a person's mom (above) and another saying it was an uncle calling from the middle east.  

This implies to me that this is an outdial number for a discount long distance brokerage, and it's being reported as (416) 555-7777.

It would be interesting if someone, who actually recognizes / knows the caller, were to ask which long distance company / discount company that they made the call via.

The scammers that are calling are probably using the same long distance discount company to place their scam calls.

i recieved the call and no one answerd. they called about 12 times in 7 minuets so i tried to call back and it gave me a 411 number?

i got a call from 1 (416) 555-7777 at 4 in the morning but i answered it not knowing what time it was and a guy with a heavy acsent mabey chinese and he was jsut yelling random stuff i hung up and he called back like a min later and did the same thing i hung up again the area code is from toronto the next day at about 9 at night he called again from an unknown number so i dont know if its a hacker or a scamer or what but im blocking the number from my phone

Today I received a call from this number and could not hear anything, just somebody trying to say something but very far and very unclear. So, I googled the number and found all these comments here. In the meantime the phone rang again and it was my mom in law calling from abroad. I know that she is using a phone card to call abroad. So, this number is probably the number of the phone company that sells these phone cards. So people using these cards could be from anywhere in the world I imagine. Some just  misdial the number and get to you instead of the intended person and some might misuse the card to place a scam call. Just be aware it is somebody from abroad and might not necessarily be a bad person.

i received a call today from (416) 555-7777 he sounded Indian as well, mumbled something then hung up, when I called back the number was no longer in service. Do any of you use facebook? it was recently hacked and it does often post your cell/home number you enter into it. Mine was my cell phone so i'm assuming that someone got it from there. Just an Idea.

This number has called multiple times the last couple of days.  Mostly shows up as 'unknown name', but did come up one time as 'sialk.ca' who appear to be a long distance reseller.I finally did answer a call since the constant callbacks were annoying.  A woman asked for me by name and told me that Yak Communications asked her to call to give me a special money saving offer.  I cut her off indicating that the phone muber is on the National Do Not Call List, and asked they not call anymore.  Hopefully they will stop calling.