Mobile phone frauds and some of the sharp practice associated with telecommunications crime are discussed. Some of the frauds are phone cloning, premium rate service fraud, digital problems, call selling, midnight lines, charge manipulation, and shoulder surfing. To minimize the risk due to fraudulent activity it is essential that all main parties cooperate with each other, that is the customer, service provider, network operator and law enforcement. Detection, apprehension and criminal proceedings are the greatest deterrents available in reducing exposure to such criminal/anti-social activities.