Abstract Managing Security Parameter Information (SPIs) to prevent race condition failures
begins where a system negotiates SPIs along with associated expiration times, and re …

H04L63/306—Network architectures or network communication protocols for network
security for supporting lawful interception, monitoring or retaining of communications or …

(57) ABSTRACT A method of controlling subscriber access to SIP-based ser vices facilitated
by an IP Multimedia Subsystem. The method comprises defining at a Serving Call Session …

A method for subscriber tracing comprises capturing user plane packets in a network
apparatus implementing a 3GPP policy and charging enforcement functionality PCEF …

BACKGROUND The Session Initiation Protocol (SIP) is defined in IETF RFC3261
(Rosenberget al., June 2002). In general, the SIP is an application-layer control (signaling) …

The present invention faces the issue of racing conditions occurring during the
establishment of an IP-CAN session in PCC architecture and a TDF session between a …

The present invention provides a method for detecting bearer loss in an IP-based
multimedia session. A multimedia session is initiated by an access terminal. A Policy and …

US20190007329A1 - Method for enforcement of non-ip data policing over the service exposure
function - Google Patents US20190007329A1 - Method for enforcement of non-ip data policing …

BACKGROUND A currently developed Policy and Charging Control (here inafter PCC)
architecture permits to integrate both policy and charging control, whilst optimizing the …

BACKGROUND 0003. In the context of the present invention, when a sub scriber connects to
a network via an Access Node, the Sub scriber needs to receive configuration parameters …