OmniSession is an innovative, future-oriented software-telephone („softphone", no hardware components) for your PC. OmniSession enables Triple Play as optimized communication all in one and shatters innovation barriers:

Voice: Telephone calls with conferencing to other software-telephones (up to 10) as well as (w. adapter/gateways) from and to regular telephones
Video: Video-calls (selectable window size)
Collaboration: Whiteboard and desktop collaboration (exchange of screen segments between partners)
This integration of voice, data and video into a unified system accelerates many work procedures and enables a more flexible work place design.

OmniSession is a tool that allows you make telephone calls over internet.

Security against listening-in: via end-to-end encryption of all calls
Compatibility with the future-proof Internet Protocol IPv6
Universal Instant Messaging Platform for short messages between OmniSession and MSN Messenger, AOL, Yahoo!, Google and ICQ
Simple incorporation of existing address records into the OmniSession phone book
TAPI Integration for MS Outlook (next update)
Video Conferencing (next update)

Limitations:

· 15 days trial