I got a call and it rang once and then they hung up.

Hmmm...

Idemces connards... je les emmerde.

ring once, and it hang up.

This is a Montreal phone number, if you are trying to call back you find Project 1 which offers you for 10$/month unlimited long distance calls!!! It is an unsolicited call.

same thing, ring once, i did call them back, it autosystem that offers new cellphone services