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phone call encryption by using raspberry pi0/pi3

GSM is the most wide spread mobile communications system in the world. However the security of the GSM voice traffic is not guaranteed especially over the core network. It is highly desirable to have end-to-end secure communications over the GSM voice channel. In order to achieve end-to-end security, speech must be encrypted before it enters the GSM network .

Project requirements:

No JB, Do not install APP, No Internet Connection

Analog Voice Encryption

Encrypting voice of mobile calls (GSM, CDMA, LTE, APP ... calls) directly. Encrypt voice contents before sending into cell phone. Prevent intercept at phone, base station and Telecom server site. Analog encryption guard against crack and hack. Secure your voice contents extremely.

No APP Installation

No Server involvement

project doesn’t need internet connection. project communicate through voice channel. Won’t save or transfer log/key by 3rd party. Less exposure and higher security.

Provide unlimited encrypted phone call minutes. No licenese limitation. Secure phone call forever.

The phone is used to send encrypted voice between the parties.

The piece contains two parts

Part of the sender

Part of the receiver

Where the sender - sends the encrypted voice by phone to the other party

The receiver part decrypts the voice and hears it normally

This video is only to explain and understand the idea well

Phantel | Military grade phone call encryption

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Working Conditions:

Final delivery time - 1 to 7 days maximum

If you have the ability to complete the project

Compétences : Programmation C, Sécurité Informatique, Electronique, Java, Python

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Concernant l'employeur :
( 0 commentaires ) Hebron, Israel

Nº du projet : #17588421

Décerné à:


I'm professional cyber-security expert. I know what exactly you need since I developed the same thing for a start-up company. I'm working with a crypto expert so this won't take long to implement. I also have a army-le Plus

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3 freelance font une offre moyenne de $150 pour ce travail


Hi,sir. I am super interested in your project - 'phone call encryption by using raspberry pi0/pi3' :) I believe that my 12+ years of experience in development makes me highly qualified for this project. I'm sure that I Plus

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(4 Commentaires)

hello,dear. It's my pleasure meeting you. I have read your requirements and I fully went through it. I am confident and I am sure that I am able to finish such project. Would you contact me for further discussing. Than Plus

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