Siphone 是一款android手机之间免费语音、视频、短信聊天软件，任何网络环境都可以高清语音、视频自由通信. 基于本地手机号码注册，采用国际号码格式相互呼叫。
注: Siphone 不支持紧急呼叫 (911，110).

427(2.0) When called off line, use the telephone call, the telephone SMS...
426(2.0) FIx bug. and Improve UI etc.
Siphone is between an Android phone, free voice, video, SMS、chat software, any network environment can be HD voice, video、SMS free communication. Based on local phone number registered by international number format call each other.