In May 2010, most VoIP users who dial 9-1-1 are connected to a call center owned by their telephone company, or contracted by them. The operators are most often not trained emergency service providers and are only there to do their best to connect the caller to the appropriate emergency service. If the call center can determine the location of the emergency they try to transfer the caller to the appropriate PSAP. Most often the caller ends up being directed to a PSAP in the general area of the emergency. A 9-1-1 operator at that PSAP must then determine the location of the emergency.