TISPAN

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The Telecoms & Internet converged Services & Protocols for Advanced Networks (TISPAN) is a standardization body of ETSI, specializing in fixed networks and Internet convergence. It was formed in 2003 from the amalgamation of the ETSI bodies Telecommunications and Internet Protocol Harmonization Over Networks (TIPHON) and Services and Protocols for Advanced Networks (SPAN).

TISPAN's focus is to define the European view of the Next Generation Networking (NGN) though TISPAN also includes much participation from regions outside Europe. TISPAN Release 1 was published in December 2005. The Release 1 architecture is based upon the concept of cooperating subsystems sharing common components. This subsystem-oriented architecture enables the addition of new subsystems over the time to cover new demands and service classes. The architecture ensures that the network resources, applications, and user equipment are common to all subsystems and therefore ensure user, terminal and service mobility to the fullest extent possible, including across administrative boundaries. One of the key subsystems is based upon the 3GPP IP Multimedia Subsystem (IMS) Release 6 and 3GPP2 Revision A architectures.

TISPAN has adopted the IMS architecture given in release 6 and is adding wireline access to the same.

TISPAN is working on the next release of the NGN. Please watch the official site for information.