From Global IP Telecommunications:
Ninja Pro is a premium SIP-based User Agent with all the features and functionality of a business phone system. Open standards-based design allows for maximum network interoperation and integration. It is easy to use and it has an excellent audio quality!
Conferencing plays a big part in any business. Take advantage of Ninja Pro tele-conferencing capabilities and combine up to six calls simultaneously. The Quality of Service will amaze you and the ease of use will prove it's worth. Let it run on a dedicated PC, turn-on Auto-Conference and it becomes a private conference server. Invite users to dial-in from their land-line legacy telephones, cellular phones or even connect from their PCs and PocktPC devices, all at the same time and you pay nothing more than the cost of your Internet connection.
Multiple-Network Support allows you with 10 SIP Proxy Accounts the interoperation between several PSTN and IP SIP networks simultaneously. Already a powerful untility, when combined with Ninja Pro Softphone Conferencing this tool is truly awesome.
Our Familiar Menu System makes it easy to navigate the various settings. Advanced controls allow for low-level adjustments and personlization of Ninja Pro Softphone for each user.
TAPI Support [own TSP driver]
separately adjustable Ringtone, Speaker and Microfon