Download of OpenPhone-v3.12beta7.msi (OpenPhone-v3.12beta7.msi ( external link: SF.net): 21,737,472 bytes) will begin shortly. If not so, click link on the left.
Open Phone Abstraction Library (OPAL) is a C++ multi-platform, multi-protocol library for Fax, Video & Voice over IP and other networks. Also included is the Portable Tool Library (PTLib) which is a C++ multi-platform abstraction library and collection o
