KLine Plus

KLine Plus is an app offering encrypted SIP calls and text messaging. With Kline Plus, you can be reachable with a Wi-Fi or 3G/4G connection.

Features:

• Unlock screen
• Optional unlock screen
• Saved messages are encrypted with AES
• Private and encrypted contacts list: numbers not saved in phone contacts list
• Autodelete messages with timer
• ZRTP encryption for calls and optional ZRTP encryption for chat
• ZRTP encryption for video calls
• ZRTP encryption for conference calls
• TLS for registration