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ETSI TS 122 519
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ETSI TS 122 519 Universal Mobile Telecommunications System (UMTS); LTE; Business communication requirements (3GPP TS 22.519 version 14.0.0 Release 14)
standard by European Telecommunications Standards Institute, 03/01/2017
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Full Description
ETSI TS 122 519 specifies network requirements:to support connection and interoperation of business communication capabilities (either hosted in NGCN or NGN) to the NGN; andto support connection and interoperation of business communication capabilities to other businesscommunication capabilities (either hosted in NGCN or NGN); andto support connection and interoperation of business communication capabilities to other businesscommunication capabilities located in or connected to the ISDN and PSTN; andto support PABX functionality (hosted enterprise services) in an NGN.NOTE 1: Network requirements to support connection of NGCN directly connected to an NGN are specified.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).
NOTE 2: Attachment of legacy PBX functionality to the NGN is not specified in the present document. It is assumed that existing legacy service requirements apply in this case.
The present document does not specify NGCN services, nor does it specify network based application services provided to a user of an NGCN.