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(57) ABSTRACT Re-assigning Serving Call Session Control Function, S-CSCF, services to a
user of a Home Subscriber Server, HSS (200), in a Third Generation Partnership Program …

US8335197B2 - Method and apparatus for transmitting SIP data of idle mode UE in a
mobile communication system - Google Patents US8335197B2 - Method and apparatus for …

Methods, systems, and computer program products for a hierarchical, redundant OAM&P
architecture for use in an IP multimedia subsystem (IMS) are disclosed. According to one …

2004/0185848 A1* 9, 2004 Phan-Anh et al......... 455,435.1 KR 2007OO41771 4/2007
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In one embodiment, an IMS network node is operable, responsive to receiving a SIP INVITE
request from an enterprise user to initiate origination of an outgoing cellular call to a called …

A method and system of an embodiment of the present invention may include receiving a
call request directed to a called party, identifying announcement information associated with …

Methods, systems, and computer program products for clustering and communicating
between Internet protocol multimedia subsystem (IMS) entities and for supporting database …

2006/0256774 A1 1 1/2006 Rigaldies et al. 2007/0097.983 A1 5/2007 Nylander et al. 2007,
0100981 A1 5/2007 Adamczyk et al. 2007/O156909 A1 7/2007 Osborn et al. 2007/0206613 …

US8213394B2 - Method and apparatus for management of inactive connections for service
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