Lapb
HS COM
HS COM is a software library (with full C source code) that allows a calling user application to access serial communication ports (COM devices) under 32-bit MS Windows operating systems. It allows to transmit data, receive data and control line signals
HS X.25 (with RFC1613 XOT) C Source Library
ITU-T X.25 Protocol Module (with RFC1613 XOT) - C Source Library (supplied with full source code) implements ITU-T recommendation X.25 - Interface between Data Terminal Equipment (DTE) and Data Circuit-terminating Equipment (DCE) for terminals operating