Abstract: Systems and methods for improving accuracy of location information related to mobile communication are provided. In one example, a method includes: receiving communications including location information corresponding to locations where the communications are initiated by a requestor, wherein the communications include a first communication including first location information having a first level of accuracy, obtaining a first registered location based on the first location information, returning the first registered location to the requestor, receiving updated location information for the first communication from the requestor, wherein the updated location information has a second level of accuracy, comparing the first level and second level of accuracies, and in response to the second level of accuracy is higher than the first level of accuracy, registering the updated location information corresponding to the first location information.

Abstract: Various arrangements for handling a voice over Internet protocol (VoIP) emergency call are provided herein. A VoIP emergency call can be made to a designated emergency phone number from a user equipment (UE). During the VolP emergency call, location data can be obtained from a presence information data format location object (PIDF-LO) tag. The location data from the PIDF-LO tag can be compared with a registered location mapped to the UE. If determined that the location data indicates a location more than a threshold distance away from the registered location, a registered location update request can be transmitted to the UE.