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ÖNORM EN 301776 V 1.1.1:2000-11

Действует
Broadband Private Integrated Services Networks (B-PISNs) - Inter-exchange signalling protocol - Separated Bearer Control (SBC)
The present document defines the signalling protocol for the purpose of bearer control at the Q-reference point between
Private Integrated Services Network Exchanges (PINXs) connected together within a Broadband Private Integrated
Services Network (B-PISN) employing Asynchronous Transfer Mode (ATM). The present document is part of the
B-QSIG signalling system.
The present document specifies the essential features, procedures, and messages required for establishing, maintaining
and clearing of bearer connections to point-to-point multiconnection calls at the B-QSIG interface in a functionally
separated call and bearer control environment. Bearers are controlled independently by means of a separated call control
protocol. The separated call control protocol is assumed to be that specified in ECMA-294 [4].
The present document is applicable to PINXs that support separated call and bearer control protocol at the Q reference
point. The Q reference point is defined in ISO/IEC 11579-1 [2].
ICS
33.040.35 Telephone. Including Public Switched Telephone Networks (PSTN), Private Telecommunication Networks (PTN) and Private Integrated Service Networks (PISN) / Телефонные сети. Включая коммутируемые телефонные сети общего пользования (PSTN), корпоративные телекоммуникационные сети (PTN) и сети с интеграцией служб частного пользования (PISN)