Twinkle is a free and open source software application for Voice over Internet Protocol (VoIP) voice communications in IP networks, such as the Internet.

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Twinkle not opening after installation

I am running Xubuntu 14.04 and I installed Twinkle from the Software Center. When I try to open Twinkle from the whisker menu nothing happens, no window appears at all. When I try opening from ...
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Is it possible to run twinkle sip client under ubuntu 13.04?

We can't install twinkle under ubuntu 13.04 This program is very important to us!
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How can I tell if ZRTP is enabled in a Twinkle SIP call? [closed]

I recently attended a talk about GNU Telephony. I was informed that Twinkle supports ZRTP for encrypted SIP calls. I went into Edit > User Profile > Security and made sure that ZRTP was enables and ...