Secret Calls by h2quadrat is a telephony solution for companies wishing to encrypt their smartphone-to-smartphone calls.Calls are encrypted using the 256-bit Advanced Encryption Standard (AES), one of the worlds most widely used and secure encryption methods. Dynamic key negotiation is performed for every call to guarantee maximum security. The encrypted voice communication service uses VoIP (SIP TLS for the signaling and ZRTP for the voice call) and WiFi, 3G (UMTS) and 4G (LTE) mobile data networks.Telephone communication takes place over your on-site IncoServer. The server is located in your own data center, can be easily integrated into your existing telecommunications infrastructure and allows users to dial in securely to your company network. This secure network can also be easily expanded to other company sites.Please note: The SecretCalls app can only be used in combination with the h2quadrat server.
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