For the purposes of the present document, the terms and definitions given in
TR 21.905 apply.
For the purposes of the present document, the abbreviations given in
TR 21.905 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in
TR 21.905.
NGN
Next Generation Network
R1
Release 1
R2
Release 2
TISPAN
Telecommunications and Internet converged Services and Protocols for Advanced Networks