System and Method for Enabling SR-VCC with Shared IMPU
K Mahdi - US Patent App. 12/511,609, 2010 - Google Patents
BACKGROUND 0003 IP Multimedia Subsystem (IMS) is an architectural framework for
delivering Internet Protocol (IP) multimedia to mobile users. IMS is designed to deliver …
delivering Internet Protocol (IP) multimedia to mobile users. IMS is designed to deliver …
Method and system for realizing single radio voice call continuity
Z Xie - US Patent 8,730,917, 2014 - Google Patents
The disclosure discloses a method for realizing single radio voice call continuity, which is
applied in an IP Multimedia Core Network Subsystem (IMS) network. The method includes …
applied in an IP Multimedia Core Network Subsystem (IMS) network. The method includes …
Method and Apparatus for Maintaining Information at an Ims Client
C Boberg, A Lindgren, H Przybysz - US Patent App. 12/066,725, 2008 - Google Patents
0002 IP Multimedia services provide a dynamic combi nation of Voice, video, messaging,
data, etc., within the same session. By growing the number of basic applications and the …
data, etc., within the same session. By growing the number of basic applications and the …
System and method for scalable and redundant COPS message routing in an IP multimedia subsystem
DA Collins - US Patent 7,882,226, 2011 - Google Patents
The present invention provides for the easy expansion of the number of nodes in an IP
multimedia subsystem (IMS) in order to handle the expected network traffic. The IMS is more …
multimedia subsystem (IMS) in order to handle the expected network traffic. The IMS is more …
System and method for scalable and redundant SIP message routing in an IP multimedia subsystem
DA Collins - US Patent 7,535,915, 2009 - Google Patents
The present invention provides for the easy expansion of the number of nodes in an IP
multimedia subsystem (IMS) in order to handle the expected network traffic. The IMS is more …
multimedia subsystem (IMS) in order to handle the expected network traffic. The IMS is more …
Method and arrangement for controlling service level agreements in a mobile network
M Lidstrom, RB Garcia, T Larsson, N Björk… - US Patent …, 2012 - Google Patents
BACKGROUND With the emergence of 3G mobile telephony, new packet based
communication technologies using IP (Internet Proto col) have been developed to Support …
communication technologies using IP (Internet Proto col) have been developed to Support …
Method of informing a network of change of user equipment capability
Y Wu - US Patent 7,860,501, 2010 - Google Patents
The present invention relates to a network using SIP pro tocol, including an IP multimedia
subsystem (IMS) network, and more particularly, the present invention relates to a method of …
subsystem (IMS) network, and more particularly, the present invention relates to a method of …
Group access to IP multimedia subsystem service
H Van Elburg, F Lindholm, P Timmers - US Patent 8,260,957, 2012 - Google Patents
(57) ABSTRACT A method of facilitating access to services of an IP Multime dia Subsystem,
by users groups that require alternative han dling in relation to the standard handling of IP …
by users groups that require alternative han dling in relation to the standard handling of IP …
Method and apparatus for generating temporary gruu in ims system
LIM Deoksoo - US Patent App. 12/896,490, 2011 - Google Patents
0002 1. Field of the Invention 0003. The present invention relates generally to an IP Mul
timedia Subsystem (IMS) system, and more particularly, to a method and apparatus for …
timedia Subsystem (IMS) system, and more particularly, to a method and apparatus for …
Routing mechanisms for messaging applications using an enhanced gateway control function
JB Bhatt, S Katragadda - US Patent 8,244,905, 2012 - Google Patents
BACKGROUND The Internet Protocol Multimedia Subsystem (IMS) refers to a core network
that Supports multimedia services based on a future evolution of 3G networks, where there …
that Supports multimedia services based on a future evolution of 3G networks, where there …