ETSI EG 201 900-1

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ETSI EG 201 900-1 English PDF Services and Protocols for Advanced Networks (SPAN); Narrowband Services over ATM; Loop Emulation Service (LES) using AAL2; Part 1: LES interface specification [ATM Forum Specification AF-VMOA-0145.000 (2000), modified]

standard published 04/01/2001 by European Telecommunications Standards Institute

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This document specifies the procedural and protocol requirements to support the efficient delivery of PSTN and ISDN services across an ATM based access section between two Interworking Functions located at the customer premises and within the network, respectively. The specification will be based on the ATM Forum specification STR-VMOA-LES-01.00 (Voice and Multimedia over ATM - Loop Emulation Service using AAL2), with appropriate selection or restriction of options and, if necessary, modifications and amendments.