Patent ID: 7738855

Claim:
A method of performing a location service with respect to a mobile station, comprising: communicating, by a base station to the mobile station, a paging message containing an indication of whether the paging message is related to at least one of an emergency-related location service and a law enforcement-related location service, the indication having a first state to indicate that the paging message is related to at least one of the emergency-related location service and the law enforcement-related location service, wherein the paging message is one of a general page message (GPM) containing the indication and a universal page message (UPM) containing the indication; receiving information regarding the location of the mobile station, wherein communicating the paging message comprises sending the paging message containing a first information element to identify service option 35 or service option 36, and a second information element to indicate whether the paging message is related to the emergency-related location service or law enforcement-relate location service; and the base station setting a state of the second information element based on a state of a field in a paging request from a mobile switching center indicating whether the paging request is related to the emergency-related location service or the law enforcement-related service.