OSTN Spring 2012 Testbed Information
From Guardian Project Wiki
During the months of March, April and May of 2012 there will be a private alpha of ostel.me, a backend service of OSTN. This service is limited to specific organizations with a practical need for secure voice. All backend work to build the ostel.me server is underway and developed publicly in the Chef repository.
Other Open Registration/public OSTNs:
If your organization would be interested in testing, please fill our alpha testing form.