Failure recovery in an IP multimedia subsystem network
H Przybysz, T Forsman, G Blanco, L Lövsén… - US Patent …, 2016 - Google Patents
This application is a continuation application of US patent application Ser. No. 12/680,426,
filed Aug. 26, 2010, now US Pat. No. 8,503,312, which is a 371 of PCT/EP2007/06.0346 filed …
filed Aug. 26, 2010, now US Pat. No. 8,503,312, which is a 371 of PCT/EP2007/06.0346 filed …
Registration control for wireless networks, such as IMS networks
MT Rahman - US Patent 10,911,500, 2021 - Google Patents
BACKGROUND(eg, the IP Multimedia Core Network Subsystem (IMS)) 5 receives and
processes the request. Whenever the processing Rapid growth in computing technology is …
processes the request. Whenever the processing Rapid growth in computing technology is …
Tunnel management method, tunnel management apparatus, and communications system
Y Yin, Z Di - US Patent 8,938,640, 2015 - Google Patents
The present invention relates to communications technolo gies and discloses a tunnel
management method, a tunnel management apparatus, and a communications system so …
management method, a tunnel management apparatus, and a communications system so …
Method and apparatus for indirectly assessing a status of an active entity
R Biermayr, E Hauenstein, D Wiebe… - US Patent 10,133,644, 2018 - Google Patents
A method and system permit a backup entity of a redundant apparatus of a communication
system that shares control of hardware resources or other network resources with an active …
system that shares control of hardware resources or other network resources with an active …
Method and apparatus for use in a communications network
MCB Vergara, G Blanco, JMF Galmes… - US Patent …, 2014 - Google Patents
BACKGROUND IP Multimedia services provide a dynamic combination of Voice, video,
messaging, data, etc. within the same session. By growing the number of basic applications …
messaging, data, etc. within the same session. By growing the number of basic applications …
IMS reregistration method and system therefor
HN Lim, TS Yeoum, EH Bae, O Song… - US Patent App. 14 …, 2017 - Google Patents
A method and system in which upon occurrence of a P-CSCF failure, a network sends an
IMS reregistration request message to a UE. An S-CSCF or an AS monitors a P-CSCF to …
IMS reregistration request message to a UE. An S-CSCF or an AS monitors a P-CSCF to …
IMS reregistration method and system therefor
(57) ABSTRACT A method and system in which upon occurrence of a P-CSCF failure, a
network sends an IMS reregistration request message to a UE. An S-CSCF or an AS …
network sends an IMS reregistration request message to a UE. An S-CSCF or an AS …
Network and expansion unit and method for operating a network
R Beyer, H Karl, M Wilding - US Patent 8,959,386, 2015 - Google Patents
(57) ABSTRACT A network, in particular an Ethernet network, contains as network elements
at least two network components that are interconnected by a network transmission line …
at least two network components that are interconnected by a network transmission line …
Methods and apparatuses for facilitating P-CSCF restoration when a P-CSCF failure has occurred
A Kunz, G Punz, G Velev, T Tamura - US Patent 10,797,936, 2020 - Google Patents
A method of facilitating P-CSCF restoration when a P-CSCF failure has occurred is
disclosed. The method comprises a Proxy Call Session Control Function,'P-CSCF'receiving …
disclosed. The method comprises a Proxy Call Session Control Function,'P-CSCF'receiving …
Methods and apparatuses for facilitating P-CSCF restoration when a P-CSCF failure has occurred
A Kunz, G Punz, G Velev, T Tamura - US Patent 10,601,638, 2020 - Google Patents
National Stage Entry of International Application No. PCT/10 of example, with reference to
the accompanying drawings in GB2014/052906, filed Sep. 24, 2014, which claims the …
the accompanying drawings in GB2014/052906, filed Sep. 24, 2014, which claims the …