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TS 24.525 (CT1)
Business Trunking – Architecture and Functional description

ToC   3GPP‑Page   ETSI‑search   Help    
V14.0.0 (PDF)  2017/03  51 p.
V13.1.0  2016/06  51 p.
V12.2.0  2016/06  51 p.

Rapporteur:  Mr. Kreipl, Michael
See also:  –

The present document provides architecture and functional requirements for business trunking for the Next Generation Network (NGN).

The present document also specifies the protocol requirements for the Next Generation Corporate Networks (NGCNs) to attach to the NGN (in particular the IM CN subsystem) and also any protocol requirements relation to application servers provided in support of business trunking.

Business trunking is a set of NGN capabilities that may be applied to communications between NGCNs using the NGN as a transit.


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1  ScopePDF-p. 8
2  References
3  Definitions, symbols and abbreviationsPDF-p. 10
4  Overview
5  Functional architecturePDF-p. 12
6  Procedures
6.1  Subscription based business trunking
6.2  Peering-based business trunking
6.3  Session-level virtual leased line between NGCN sites
6.4  NGCN user roaming into NGN public network
7  Use of transport functionsPDF-p. 37
8  Security
9  ManagementPDF-p. 38
A  Example signalling flows of business trunking and roaming arrangementsPDF-p. 39
B  Service Level Agreement (SLA) considerationsPDF-p. 47
D  Change historyPDF-p. 49

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