I recived my monthly bill to be surprised with an over charge of a long distance call I didn't make! Customer service representative wasn't able to help as he was claiming that I made the call.
Hey @Ghaleb! Philippe here. Welcome to the community.
I can certainly understand your concern. No one likes to have surprises on their bill!
In your case, we'd have to take a look at your account to see what's up. You can escalate the matter by contacting us using the methods here or you can request a PM from the community for assistance.