Method and a proxy-call session control function node for deregistration of a user equipment from an internet multimedia subsystem
L Guo, P Ferngren, J Holm - US Patent App. 14/383,806, 2015 - Google Patents
The present invention relates to a method for deregistration of a UE from an IMS, the
deregistration being initiated from and performed by a P-CSCF node. The present invention …
deregistration being initiated from and performed by a P-CSCF node. The present invention …
Method and apparatus for handling P-CSCF failure and restoring connectivity
M Hallenstål, S Blau - US Patent 9,596,712, 2017 - Google Patents
A method for restoring connectivity between a node in an IP Multimedia Subsystem, IMS,
network, and a User Equipment, UE. The UE is associated with a Proxy Call Session Control …
network, and a User Equipment, UE. The UE is associated with a Proxy Call Session Control …
Session initiation handling
MO Stille, J Holm - US Patent 10,003,619, 2018 - Google Patents
A method of handling SIP session initiation requests in an IP Multimedia Subsystem, IMS,
network. The method is performed at an application server, AS, within the network. The AS …
network. The method is performed at an application server, AS, within the network. The AS …
Traffic control within an IP multimedia subsystem
T Austrell, T Forsman, A Jonsson, JA Tellinger… - US Patent …, 2016 - Google Patents
A method of handling traffic within an IP Multimedia Subsystem, IMS, network. The method
comprises registering an IMS user with a first Serving Call Session Control Function, S …
comprises registering an IMS user with a first Serving Call Session Control Function, S …
Method for requesting an unregistered UE to perform registration in the IMS
C Sun, X Li - US Patent 8,036,659, 2011 - Google Patents
The method for requesting an Internet Multimedia Sub-system (IMS) unregistered User
Equipment (UE) to perform IMS registration including initiating an IMS domain session or …
Equipment (UE) to perform IMS registration including initiating an IMS domain session or …
Enabling set up of a connection from a non-registered ue in ims
M Dahlqvist, TO Austrell - US Patent App. 13/696,655, 2013 - Google Patents
Inventors: Mattias Dahlqvist, Stockho lm (SE): A method and system for enabling a set up of
a service Tobias Olof Austrell, Alvsjo (SE) connection from a user equipment (UE) to a …
a service Tobias Olof Austrell, Alvsjo (SE) connection from a user equipment (UE) to a …
Method for implementing IP multimedia subsystem registration
MA Chunyan, B Yu - US Patent 8,514,870, 2013 - Google Patents
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 …
Subscriber Server (HSS) recording a current registration state of a User Equipment (UE) in …
Protection against unsolicited communication for internet protocol multimedia subsystem
A PUCI system is designed to process an incoming call originated by the user equipment
toward the counterpart user equipment via an EMS node having a PUCI-light functionality …
toward the counterpart user equipment via an EMS node having a PUCI-light functionality …
Method and apparatus for identifying an IMS service
B Åström, M Stille, A Ryde, S Terrill… - US Patent 8,572,261, 2013 - Google Patents
Abstract A User Equipment (UE) and IP Multimedia Subsystem (IMS) network node for
indicating the IMS services and IMS applications to which a Session Initiation Protocol (SIP) …
indicating the IMS services and IMS applications to which a Session Initiation Protocol (SIP) …
Maintaining IMS registration while disconnected from IP bearer
J Regnier, C Kawa, H Thorkelsson - US Patent 8,195,158, 2012 - Google Patents
US8195158B2 - Maintaining IMS registration while disconnected from IP bearer - Google
Patents US8195158B2 - Maintaining IMS registration while disconnected from IP bearer …
Patents US8195158B2 - Maintaining IMS registration while disconnected from IP bearer …