FREE Worldwide PC-to-PC communications using: voice, video, online/offline text messaging, text chat and file transfer, all secured using AES 256 bit encryption. Other features include activity notifications and privacy mode. For corporate V.O.I.P. peering solutions, UtilityPhone can supply a private contact server so that a corporation can limit communications within their own private group. Subscribers may fix/lock their User I.D..
T42
T42 is a free, open source implementation of unix ntalk protocol. Built in "personal secretary" will record your missing calls for you, akin to answering machine. It is also designed to be compatible with our PumpKIN TFTP client/server software which lets you exchange files with your party while having a talk session.
VAX VoIP activeX is the easiest way to add PC-to-PC voice conferencing and text chat over the LAN, WAN or Internet in your applications and Web pages. Using Vax VoIP activeX three or more persons can have a real time voice conference and during the conference, they can even record the conversation into wave (.wav) file for later play back. It also provides the feature to send/receive encrypted voice and text data over the Internet.