Sip

VoIP security architecture in brief

November 21, 2013

Voice over IP (VoIP) has been around for a long time. It’s ubiquitous in homes, data centers and carrier networks. Despite this ubiquity, security is …

Jitsi, ostel.co and ISP censorship

July 22, 2013

Earlier last week n8fr8 suspected something changed on the ostel.co server, due to many users emailing support specifically about Jitsi connectivity …

<!--:en-->OSTN secure VoIP wizard now built into CSipSimple for Android<!--:-->

May 26, 2012

If you saw our last post about how to setup your own secure voice-over-IP server instance, then this news is for you. If you are an Android user …

<!--:en-->Build your own Open Secure Telephony Network, some assembly required<!--:-->

May 17, 2012

The Open Secure Telephony Network is a standard that defines how to configure a VoIP softswitch with the capability to have secure two-way VoIP …

Cross-Domain calling, or “toll-free long distance VoIP”

May 4, 2012

In a standard OSTN configuration, the Fully Qualified Domain Name (FQDN) of the server running Freeswitch is a core dependency to operate the service. …

Acrobits Groundwire – OSTN supports iPhone

March 21, 2012

The Guardian Project develops open source software primarily for the Android platform but we strive for security by design to be a part of all …

VoIP Survey Results of NGOs, Human Rights Groups and Activists

March 7, 2012

In November 2011, 25 individuals were surveyed using an online form, representing typical end-users, global journalists, activist and human rights …