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Apps with 'Encrypted VoIP calls' feature
Telegram is a messaging app with a focus on speed and security. It’s superfast, simple, and free. It is like SMS, but more powerful. Using Signal, you can communicate instantly while avoiding SMS fees, create groups so that you can chat in real time with all your friends at once, and share media or attachments... Element is a secure collaboration and messaging app based on the Matrix protocol. It’s decentralised to deliver digital sovereignty, and based on an open standard for easy connections and interoperability. It is end-to-end encrypted by default. Linphone is one of the most famous open source softphones in the world. It is fully SIP-based, for all calling, presence and IM features. Personal and business use online phone number with free US long distance calls and other free features. Cloud-based phone centre solution with 50+ advanced call features, ready to use in a minute. CloudTalk helps more than 1000 smart companies as DHL, Electronic Star, Yves Rocher deliver exceptional customer support & boost their sales. twinme is a next generation secure instant messaging and High-Definition voice/video call service, protecting your privacy and giving you full control over each of your relationships and exchanged contents. Secure and private open source peer-to-peer Instant Messenger. PBXware is the world’s first and most mature IP PBX Professional Open Standards Turnkey Telephony Platform. Bicom Systems’ softswitch is offered in the Business, Call Center and Multi-Tenant Editions. Telnum is a reliable international VoIP provider that offers state-of-the-art technology when it comes to cloud-based phone center solution. As a smart cloud-based virtual phone system, it caters to small, medium, and large scale businesses. Tragofone - a white-label softphone backed by WebRTC and auto-provisioning is a perfect choice to maintain uninterrupted business communication anywhere, anytime.