Content for TS 22.519 Word version: 16.0.0

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The present document is structured in a similar manner to ETSI TS 181 005 [2] and the main clause numbering from this point in the document onwards therefore follows that document, with the scope of those clauses also following that of ETSI TS 181 005 [2].

1 Scope Word‑p. 6

The present document specifies network requirements:

to support connection and interoperation of business communication capabilities (either hosted in NGCN or NGN) to the NGN; and
to support connection and interoperation of business communication capabilities to other business communication capabilities (either hosted in NGCN or NGN); and
to support connection and interoperation of business communication capabilities to other business communication capabilities located in or connected to the ISDN and PSTN; and
to support PABX functionality (hosted enterprise services) in an NGN.

The present document also specifies network requirements for communication between NGCN capabilities (including user equipment) to other NGCN capabilities of the same enterprise through the NGN (e.g. geographically separated).

The present document does not specify NGCN services, nor does it specify network based application services provided to a user of an NGCN.