PrivateWave Professional vs D1 System

PrivateWave Professional is an innovative software to encrypt your calls in a totally safe and legal way through the VoIP Internet Protocol. It needs to be configured on your own PrivateServer or it can auto-configure itself on PrivateWave's hosted server. Once installed on mobile phones, PrivateWave Professional gives you the option to encrypt calls between the users (i.e both caller and called need to have the software installed). Using PrivateWave you can communicate easily and securely with your contacts. Please keep in mind that there is no way to call numbers on a public switched telephone network (PSTN). Easy to use: - Software only solution for iOS 11.x/12.x/13.x/14.x/15.x/16.x - The way to make calls doesn’t change Security: - Flexible security model: - ZRTP for end-to-end voice encryption - SIP/TLS for signaling protection - Use of only IETF standardized protocols - Security compliant with FIPS, NIST and NSA - Mutual Authentication with X.509 certificates - SSL Certificate Pinning - Based on open source technologies Performance: - Low average Bandwith: * in standby: negligible * during conversation: (100-200 K/minute) - International calls and worldwide roaming - Extremely low battery drain - Low latency (depends on network) Supported Networks: - Any IP-enabled network - 2G (GPRS, EDGE, 1xRTT) - 3G (UMTS, HSDPA, EV-DO) - 4G - WiFi - Satellite Encryption Algorithms: - ECDH 256 bit / 384 bit (default) / 521 bit (Elliptic Curve Diffie-Hellman) - AES256 (CTR) for SRTP - SIP/TLS with X509v3 digital certificates Audio Codec: - AMR Narrowband 4.75 kbits/s

D1 SMS alarm system 1: send text messages, deployed Chefang, home protection 2: set the alarm host parameters: hosting account, dial number 3: is set zone name 4: set RFID card name 5: SMS to code etc.