ISDN Q.921 Link Access Procedure D Channel (LAPD)

Description: OpenSS7 ISDN Stack LAPD Design Documentation.

The design consists of a Data Link Provider Interface, dlpi(7), that provides LAPD data link services. HDLC streams providing the Communications Device Interface, cdi(7), can be linked under the module and configured using IO controls.

A detailed design has not yet been released.