Patent ID: 9166960
Filing Date: 2015-10-20
Classification: H04L,H04M,H04W

Abstract:
1. A validation method for validating IP information headers in data packets received from user equipment that connect to a mobile telecommunications network and that access an IP network through a proxy, comprising: detecting an IP information header comprising access network information; extracting data contained in said IP information header and identifying said user equipment; requesting trusted location information of said user equipment from a trusted source of said mobile telecommunications network; comparing said trusted location information provided by said trusted source with location information detected in said IP information header; if the location information in said IP information header corresponds to said location information provided from said trusted source, asserting said IP information header; if the location information in said IP information header does not correspond to said location information provided from said trusted source, stripping said location information in said IP information header; and adding said trusted location information into an IP information header of a message to be sent to a location based function.