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ex1st, 09/17/2013 08:31 pm

Open Secure Telephony or OSTel

Welcome to the public documentation portal for all things related to open source secure voice and video calling for mobile and desktop. OSTel is a public service in a larger network called OSTN (Open Secure Telephony Network). Please contribute to this document!

User Support email

Server operator email support https://lists.mayfirst.org/mailman/admin/ostn-operators

IRC irc.freenode.net #guardianproject

Client Documentation

Server Documentation

Build Instructions

Inter-domain calling

World Wide Coverage Reports

Get Involved

Open Secure Telephony Network (OSTN) Standard

Standards Documentation

Also available in: PDF HTML TXT