No specific info about version 4.9. Please visit the main page of CAPI on Software Informer.
It is a terminal program for Telnet (TCP/IP), ISDN (CAPI) and modems (RS232).
The Survey System is a complete survey software package.
ISDN fax and data communication for LANCOM routers with ISDN interface
CapiFax is a complete ISDN fax solution for networks.
PITT software is a utility intended for PKI integrators.
funkwerk LAN-CAPI is a software which configure a PBX product.