北斗海聊 vs Shiku IM

北斗海聊是一款户外卫星通信工具。用户购买或租用海聊设备，通过手机APP蓝牙连接海聊设备，即可发送卫星短信，无需手机信号或网络。卫星短信可发送到家人的微信、手机短信、电子邮件，也可以与其他使用海聊的用户聊天。为户外运动爱好者如驴友，骑行，越野探险等提供有效应急通信手段，保障生命安全。为海上工作者，如海员，渔民和他们的家人提供沟通工具。 除卫星通信的功能外，海聊还支持一键报平安、一键SOS、轨迹记录、位置实时追踪、多人位置共享、查询当前位置天气信息、发送微博等强大的功能。

This is an original instant messaging software with stable performance and features. 1. high concurrency: the measured concurrent number is above 20W, and it supports hundreds of millions of users. 2. high availability: the server does not need to restart for half a year, automatic load balancing. 3. function: mainstream IM has all the functions, and we still have none. 4. private cloud: support for privatization and deep customization, not subject to people. 5. high security: communication protocol adopts high intensity encryption algorithm, and chat records do not leak. 6. Support appointment meeting, voice conference, video conference, shared desktop, text chat in the meeting, member management, etc The specific functions are: 1. address book, supporting friend validation or non verification, two-dimensional code, label grouping, pulling black, my colleagues, public numbers, multiple entry, my phone sending messages to my computer, etc. 2. single chat, support message receipt, burn after reading, display read, message free, top, withdraw, video chat, search chat records, etc. 3. group chat, support bulletin, @ group members, group members, group validation, group nicknames, group management, number of readers, video conferencing, etc., to support 10000 people. 4. message, support long text, pictures, recording, video, business card, location, animation, archives, red packets, screenshots and other types. 5. Privacy, exclusive ownership of features such as delivery, read, burn after reading, end-to-end encryption, private groups, private group members, etc