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What is a free android app I can use for voice calling?


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#1 david14433

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Posted 02 July 2017 - 08:17 PM

In particular I am looking for an app that doesn't require a phone number just wifi to connect with end to end encryption for voice calling. Any suggestions? Thanks.


Edited by david14433, 02 July 2017 - 08:22 PM.


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#2 Just_One_Question

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Posted 02 July 2017 - 08:44 PM

Skype, I guess.:)



#3 david14433

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Posted 02 July 2017 - 09:31 PM

Skype, I guess. :)

The NSA was found to be working with Skype to spy on people. Thanks for chiming in. 

 

As it turns out what I am looking to get is a VoIP encrypted android app. Still haven't found a free one yet. 



#4 Crazy Cat

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Posted 03 July 2017 - 07:38 PM

Crypto phone. https://en.wikipedia.org/wiki/Crypto_phone
Phone Firewall Identifies Rogue Cell Towers Trying to Intercept Your Calls. https://www.wired.com/2014/09/cryptophone-firewall-identifies-rogue-cell-towers/
For $3,500, a Spy-Resistant Smartphone. https://www.technologyreview.com/s/525556/for-3500-a-spy-resistant-smartphone/
 

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#5 frogbreath

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Posted 07 July 2017 - 11:11 AM

You need a Boeing Black

http://www.boeing.com/assets/pdf/defense-space/ic/black/boeing_black_smartphone_product_card.pdf



#6 david14433

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Posted 08 July 2017 - 09:31 AM

 

Crypto phone. https://en.wikipedia.org/wiki/Crypto_phone
Phone Firewall Identifies Rogue Cell Towers Trying to Intercept Your Calls. https://www.wired.com/2014/09/cryptophone-firewall-identifies-rogue-cell-towers/
For $3,500, a Spy-Resistant Smartphone. https://www.technologyreview.com/s/525556/for-3500-a-spy-resistant-smartphone/

I think it would be cheaper to just pay for regular phone plan and add something like what'sapp for encrypted phone calls. But thanks for the suggestions. :)



#7 MDD1963

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Posted 09 July 2017 - 06:41 AM

I hope the NSA enjoys hearing all my issues! :)

 

(Is there a  "Wire" for Android?)

 

https://wire.com/en/


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#8 frogbreath

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Posted 10 July 2017 - 06:44 AM

A full time agency against any encryption application, well my money is on the NSA every time even with the best encryption enabled. Against an average hacker ears dropping you probably will be OK.



#9 frogbreath

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Posted 27 July 2017 - 03:19 AM

I don't know if it's free but I've done a littler reading on this subject and the ss7 protocol I think it's called. Anyway after reading I think WhatsApp is what your looking for. I am not sure if it's totally free.

 

https://www.whatsapp.com/security/



#10 GameMaster

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Posted 27 July 2017 - 04:56 PM

I don't know about WhatsApp and security. As for apps that support end-to-end encryption calling, I cannot think of any that do not require a phone number. If you can compromise and use a phone number just for activating the service, you can look into Signal by Open Whisper Systems or Telegram's voice calling feature.



#11 britechguy

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Posted 27 July 2017 - 05:23 PM

Well, I use Google Hangouts because I do not feel any need for encrypted phone calls.  It's not that I think, "What do I care if someone spies on me?," because I do, but I just don't think your average citizen is a particularly "juicy target" and if someone wants to bore themselves by listening in on me then, well, here's the coffee.  Hangouts is great for straight voice calls to any mobile or landline in the USA and Canada and I do not believe you must have a Google Voice number to call out, but you would need one for folks to call in to you.

 

The reason I bring this up is you can get a Google Voice phone number which functions just like any other phone number with a very few exceptions and you may be able to use this as your registration for one of the encrypted communication apps.


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#12 Crazy Cat

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Posted 27 July 2017 - 06:34 PM

Crypto phone is also encrypted by the cryptographic chip. https://en.wikipedia.org/wiki/Crypto_phone#Prevention

For the system to work, both users must have crypto phones logged into crypto mode. As with other phones, the signal is encrypted by GSM (https://en.wikipedia.org/wiki/GSM#GSM_security) but it is also encrypted by the cryptographic chip. When the IMSI-catcher performs a man-in-the-middle attack and disables the GSM encryption, the crypto phone encryption remains intact. Therefore, while the signal is still being intercepted, it can no longer be decoded and fake SMS messages can't be sent as the IMSI-catcher does not have the correct code.
 

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#13 shelf life

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Posted 11 August 2017 - 04:18 PM

you might find something here:

 

https://guardianproject.info/apps/


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