ATIS 1000602
Integrated Services Digital Network (ISDN) – Data-Link Layer Signaling Specification for Application at the User- Network Interface
| Organization: | ATIS |
| Publication Date: | 1 September 1996 |
| Status: | active |
| Page Count: | 9 |
scope:
This standard specifies the Link Access Procedure on the D-channel, LAPD. The purpose of LAPD is to convey information between layer-3 entities across the ISDN user-network interface using the D-channel. LAPD is a protocol operating at the data-link layer of the OSI architecture. The frame structure, elements of procedure, format of fields, and procedures for the proper operation of LAPD are specified.
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