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1. (WO2015027376) NETWORK DEVICE ADDRESSING METHOD, APPARATUS AND SYSTEM

Pub. No.:    WO/2015/027376    International Application No.:    PCT/CN2013/082279
Publication Date: Fri Mar 06 00:59:59 CET 2015 International Filing Date: Tue Aug 27 01:59:59 CEST 2013
IPC: H04W 8/26
Applicants: HUAWEI TECHNOLOGIES CO., LTD.
华为技术有限公司
Inventors: YAN, Shizhuan
颜石专
Title: NETWORK DEVICE ADDRESSING METHOD, APPARATUS AND SYSTEM
Abstract:
A network device addressing method, apparatus and system are disclosed in the present invention. The present invention relates to the field of communications, and can realize addressing of a network device when a user roams between 2/3G network and 4G network. The implementation method includes: an InterWorking Function (IWF) entity constructs a host name of a mobility management network element according to the Integrated Services Digital Network (ISDN) number of the mobility management network element; the IWF sends a request message to a Home Subscriber Server (HSS), wherein the request message includes the host name of the mobility management network element; the IWF obtains the ISDN number of the HSS according to the host name of the HSS after receiving a response message sent by the HSS, and sends the ISDN number of the HSS to the mobility management network element. The present invention is used when the user roams between 2/3G network and 4G network.