sharpVoice (formerly CyberTalkOnline) is a mature, reliable internet telephony program that enables free PC-to-PC and inexpensive PC-to-Telephone voice conference calls.

sharpVoice Version 6.0 offers great sound quality even over slow internet connections and the ability to conduct multi-person conference calls without a conferencing server.

A simple Instant Messenger-like buddy list and easy-to-use interface makes placing calls easy.

Network-friendly design lets you make and receive calls even if you use a firewall or proxy server.

Record and playback conversations.

Fully functional and ad-free for 30 days.

Then you must register to make multi-person conference calls, PC-to-Phone calls, and to avoid advertising.

Contains no SpyWare.