VoiceChatter, in general, can be used for free with no strings attached. However, commercial use of the VoiceChatter server software requires a licensing fee. In particular, companies that sell/rent VoiceChatter servers are required to comply with the VoiceChatter commercial license.
The VoiceChatter server software is on sale for hosting companies. The licensing cost is $30/month per physical machine running the VoiceChatter server software.
Any other commercial use of the the VoiceChatter server, or components of the VoiceChatter server requires a special negotiation.
For a limited time, VoiceChatter can be licensed for half price for the first 6 months.
The full commercial license agreement can be found here. If you are interested in licensing VoiceChatter or if you have any questions, then please contact us.