IMS security

IMS (IP Multimedia Subsystem) is a set of specifications to offer multimedia services through IP protocol. This makes it possible to incorporate all kinds of services, such as voice, multimedia and data, on an accessible platform through any Internet connection (fixed or mobile). IMS (IP Multimedia Subsystem) is a set of specifications to offer multimedia services through IP protocol. This makes it possible to incorporate all kinds of services, such as voice, multimedia and data, on an accessible platform through any Internet connection (fixed or mobile). Initially defined by 3G.IP (a set of companies belonging the telecommunications sector), it was 3GPP (3rd Generation Partnership Project) who definitively adopted the definition of IMS as a part of the standardization 3G system in networks UMTS (Universal Mobile Telecommunications System), specified in Release 5 and 6.