A GATEWAY HOME LOCATION REGISTER AND A METHOD OF SUBSCRIBER S ROUTING INFORMATION EXCHANGE

摘要

The present invention relates to a routing information optimization and control technology in mobile communication. A Gateway Home Location Register (GHLR), comprising a signaling transceiving module, a security rule configuration database, and information security analysis module. A method of exchanging roaming subscriber routing information, comprising: the GHLR in the home network receiving a information request and determining the request according to the security rules in GHLR; if the request is accordant to the security rules in GHLR, GHLR sending called information to the network element capable of fetching subscriber information in the visited network. Through introducing a roaming subscriber information security control method and a device GHLR, the present invention can solve the problemof exchanging roaming subscriber information between networks, support the visited network to provide service for the roaming subscribers in it, and protect security of the home operator and subscriber information.