Method for implementing IP multimedia subsystem registration

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO RE47773
SERIAL NO

14583380

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Abstract

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A method for implementing an IP Multimedia Subsystem (IMS) registration, includes: a Home Subscriber Server (HSS) recording a current registration state of a User Equipment (UE) in response to receiving a Multimedia Authentication Request (MAR) initiated by a Service Call Session Control Function (S-CSCF) selected for the UE when a first Register request is sent by the UE; in response to receiving a second Register request initiated by an Interrogating Call Session Control Function (I-CSCF), the HSS sends the S-CSCF Name to the I-CSCF when the current registration state of the UE is an assigned S-CSCF state. By the scheme, a same S-CSCF is ensured to be used in the two User Authentication Request/User Authentication Answer (UAR/UAA) procedures of the initial IMS registration procedure, and the initial IMS registration of the UE is implemented successfully.

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Patent Owner(s)

Patent OwnerAddress
HUAWEI TECHNOLOGIES CO LTDHUAWEI ADMINISTRATION BUILDING BANTIAN LONGGANG DISTRICT SHENZHEN GUANGDONG 518129 CHINA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ma, Chunyan Shenzhen, CN 3 12
Yu, Bin Shenzhen, CN 557 14210

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