How is Thales strengthening the security of its mobile communications with Belledonne Communications’ VoIP technologies?
Case Study
Discover how the Citadel Team app, developed by Thales, leverages open-source software components to ensure end-to-end encrypted communications that are iOS/Android compatible and meet the highest security standards.

💬 Testimonial
“The flexibility of Belledonne Communications’ technologies and business model allows us to create tailored offers for our clients and to adapt quickly by integrating emerging technologies. That’s what makes Citadel Team one of the most advanced solutions on the market.”
Olivier Caminati, Head of R&D and Product at Thales Digital
Identified Needs
End-to-end encryption with ZRTP
Open-source and in-house solution
VoIP technology based on the SIP protocol
Compatibility with iOS and Android
Download the Customer Case Study
In their testimonial, the Thales teams explain the reasons behind their choice to integrate Belledonne Communications’ open-source technologies into the secure Citadel Team application.




