Free downloads at SoftAlternative.com
passthrough Download Free

VTapi ActiveX
... - remote party key presses; Execute any commands on modem (passthrough mode); Enumerate telephony devices; Telephony device setup dialog; ...

Socket Workbench
Socket Workbench is the definitive tool for analysing socket communications that underlie the Internet and several types of inter-process communication. Configure Socket Workbench to be a socket client (like a web browser or e-mail client) or a socket ser ...