The offenders might call the victim repeatedly, which might lead to frustration on their part as they will need to answer the calls. Some of the callers might even harass them with annoying messages to annoy them. The messages might say things like "I'll come and get you"You should be very careful". Some of the messages might ask the victim to meet them somewhere for some reason. The callers might make the victim's cell phone ring so that the victim will be unable to do anything. In the worst situation, they might call the victim from out of the country where they can carry out their harassment.