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I'm looking for an open source push-to-talk (walkie-talkie) software for Android, preferably with secure end-to-end encryption.

Seems like Jitsi declares that it has the push-to-talk feature, however I still wasn't been able to find how to enable it.

  • From Android to Android, right? (So a solution is not preferred but required to be for Android?) – unor Sep 23 '14 at 11:40
  • Yes, Android is require. But we haven't been able to find any open source solution of this kind. – Yuri Dobronravin Sep 23 '14 at 22:05
  • Personally, my current guess would be mumble… But I'm still searching as libs don't seems easy to integrate in other custom software. – christophe31 Jul 7 '16 at 13:20
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You have multiple, only tangentially related questions that would be better served being posted separately. Answering one of them...

Any tutorials/docs on how to get Jitsi work in walkie-talkie mode are highly appreciated.

I just attempted to use this featured and determined that is works in the same way as the Skype PTT feature, which is to say it is just a glorified mute button, with inverse logic. It does nothing to address rapid call setup, which is also a necessary part of what has come to be considered a PTT service.

According to the Jitsi release announcement for version 2.2 (2013.04.30):

Adds “push to talk” functionality (quick unmute while pressing Ctrl+Shift+T).

So you place a call, click some mute button in the UI, then use the Ctrl+Shift+T shortcut to unmute when you want to talk. (Messages in the Jitsi mailing list archives suggest you can change the key combination used for this.)

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    "that would be better served being posted separately" and elsewhere. Only the first paragraph of the question is on-topic for this site, and this answer, though helpful, addresses the off-topic parts. – Jan Doggen Nov 17 '14 at 10:33

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