Extending SIP P-served user header over IMS interfaces
N Vass, J Dahl - US Patent 9,473,539, 2016 - Google Patents
BACKGROUND IP Multimedia Subsystem (IMS) is the technology defined by the Third
Generation Partnership Project (3GPP) to provide IP Multimedia services over mobile …
Generation Partnership Project (3GPP) to provide IP Multimedia services over mobile …
Service profile handling in the IMS
S Terrill, NV Esteban, GB Blanco, MCB Vergara… - US Patent …, 2012 - Google Patents
IP Multimedia Subsystem (IMS) is the technology defined by the Third Generation
Partnership Project (3GPP) to pro vide IP Multimedia services over mobile communication …
Partnership Project (3GPP) to pro vide IP Multimedia services over mobile communication …
Group access to IP multimedia subsystem service
J Van Elburg, P Timmers, R Noldus… - US Patent …, 2012 - Google Patents
BACKGROUND IP Multimedia Subsystem (IMS) is the technology defined by the Third
Generation Partnership Project (3GPP) to pro vide IP Multimedia services over mobile …
Generation Partnership Project (3GPP) to pro vide IP Multimedia services over mobile …
Identifying an application server in a plurality of application servers associated with a shared identifier
NK Bollapalli, R Gupta - US Patent 8,775,610, 2014 - Google Patents
An IMS network is an architectural framework for provid ing Internet Protocol (IP) multimedia
services (eg, Voice over-IP telephony) to subscribers. The IMS network gener ally includes …
services (eg, Voice over-IP telephony) to subscribers. The IMS network gener ally includes …
Synchronization of shared identifiers across servers in an IMS network
NK Bollapalli, S Toshniwal, S Padmanabhan… - US Patent …, 2015 - Google Patents
Session Initiation Protocol (SIP) is an application level protocol for creating, modifying and
terminating multimedia sessions. Today, it is used for establishing and terminating Voice …
terminating multimedia sessions. Today, it is used for establishing and terminating Voice …
Lawful interception in an IP multimedia subsystem network
A Imbimbo, A Mordacci, G Amato - US Patent 9,026,645, 2015 - Google Patents
BACKGROUND The IP Multimedia Subsystem (IMS) is the technology defined by the Third
Generation Partnership Project (3GPP) to provide IP Multimedia services over mobile …
Generation Partnership Project (3GPP) to provide IP Multimedia services over mobile …
Reallocation of serving proxy function in IMS
F Lindholm, H Przybysz - US Patent 9,560,084, 2017 - Google Patents
The invention relates to a method of changing allocation of Serving-Call Session Control
Functions (S-CSCFs) to a user of an IMS network. The user is being provided with services …
Functions (S-CSCFs) to a user of an IMS network. The user is being provided with services …
SIP user release
S Chiduruppa, R Chandrasekar, PF Smith - US Patent 9,584,551, 2017 - Google Patents
(57) ABSTRACT A system that releases a Session Initiation Protocol (“SIP) user from a
serving function on an Internet Protocol Mul timedia Subsystem (“IMS) network receives a …
serving function on an Internet Protocol Mul timedia Subsystem (“IMS) network receives a …
SIP load balancing
S Chiduruppa, VA Rajegowda, PF Smith - US Patent 9,413,670, 2016 - Google Patents
Abstract An Interrogating Call Session Control Function (“I-CSCF”) server load balances
Session Initiation Protocol (“SIP”) users over an Internet Protocol Multimedia Subsystem …
Session Initiation Protocol (“SIP”) users over an Internet Protocol Multimedia Subsystem …
Legacy user proxy call session control function
M Leeder, D Nielsen - US Patent 8,036,211, 2011 - Google Patents
Abstract A Legacy User Proxy CSCF (“L-CSCF”) provides multimedia services from a SIP
based network to legacy access networks and devices. The L-CSCF includes a legacy …
based network to legacy access networks and devices. The L-CSCF includes a legacy …