Handling multiple user interfaces in an IP multimedia subsystem

H Przybysz - US Patent 8,472,376, 2013 - Google Patents
A method of operating an Internet Protocol Multimedia Subsystem (IMS) network having a
plurality of user interfaces. A terminal agent is interposed between a plurality of Session …

Method of triggering application service using response filter criteria and IP multimedia subsystem using the same

JY Huang, WK Chiang - US Patent App. 10/809,834, 2005 - Google Patents
A triggering method for IP multimedia service control. The triggering method comprises
examining a SIP response message received by a S-CSCF according to a set of response …

Partitioned IP multimedia subsystem call session control function

LW Paczkowski, KJ Ganote, M Mangal - US Patent 8,316,457, 2012 - Google Patents
The present invention overcomes the disadvantages of the prior art by allowing a business
enterprise or other institution to serve IMS applications to their user community without …

System and method for sharing a SIP communication service identifier

JL Bakker, A Allen, A Buckley - US Patent 8,249,561, 2012 - Google Patents
BACKGROUND The IP (Internet Protocol) Multimedia Subsystem (IMS) is a standardized
architecture for providing multimedia services and voice-over-IP calls to both mobile and …

Method and Apparatus for Allocating a Server in an Ims Network

B Astrom, A Ryde, S Berg, H Przybysz… - US Patent App. 11 …, 2008 - Google Patents
A method, apparatus, and application server for dynamically allocating an application server
within an IP Multimedia Subsystem (IMS). A Serving Call/Session Control Function (S …

Technique for providing interoperability between different protocol domains

R Levenshteyn, I Fikouras - US Patent 9,531,817, 2016 - Google Patents
The present invention relates to a technique for providing interoperability between different
protocol domains. The technique is particularly adapted for use in connection with the …

System and method for routing messages

I Westman, L Lahtinen, E Beres, G Bajko… - US Patent App. 10 …, 2004 - Google Patents
An apparatus and method routes a message via an IP Multimedia core Network Subsystem
(IMS) system is disclosed. A message is received at an Interrogating Call Session Control …

Mobile network having IP multimedia subsystem (IMS) entities and solutions for providing simplification of operations and compatibility between different IMS entities

J Rasanen - US Patent App. 10/767,072, 2004 - Google Patents
(57) ABSTRACT An IP Multimedia Subsystem (IMS) architecture for IP multimedia services is
provided With a given user equipment (UE); a gateway support node (GGSN) con? gured to …

IP multimedia subsystem access method and apparatus

H Lindgren - US Patent 8,160,578, 2012 - Google Patents
A method of facilitating access to IP Multimedia Subsystem, IMS, services by non-IMS
enabled terminals. The method comprises registering a non-IMS enabled terminal with a …

Method and apparatus for providing multimedia ringback services to user devices in IMS networks

RP Batni, KH Guo, A Kagalkar, S Mukherjee… - US Patent …, 2010 - Google Patents
The invention comprises a method and apparatus for providing multimedia content to a
calling party device. Specifically, the method comprises receiving a connection …