1, you letter free phone is a new generation of free Internet phone software, can achieve free dial in the case of network national mobile phones and landlines. You letter free phone perfect support for Apple IOS, Android Android, Symbian Symbian system, Android call tablet is applicable.
2, Youxin free phone is Youxin Network Technology Co., Ltd. in March 2012 officially launched a core level of the main push application product, the online at the beginning of the global communication line layout, so far 80 million global users have experienced Youxin HD free call and social sharing function. At present, Youxin with 40% of the first market share, become the leader of the free phone industry.
3, letter free phone function:
1), the letter free phone automatically identifies the letter friends, free and smooth network calls (WiFi\/3G);
2), there is a letter free telephone direct dial, call back you choose, so that you call to save traffic, free call charges;
3), the letter free telephone dial fast and smooth, call quality as you usually dial clear favored;
4), there is a letter toll-free number home, contact super search, contacts easy to use and convenient;
5), there is a letter free phone call show, show rich handsome, white rich beauty you;
6), you letter free phone phone address book good assistant, one-click upload cloud backup, let you feel at ease and worry;
7), there is a letter free phone sign in every day, friends share, let you take the gift non-stop.
Youxin toll-free phone is full of functions, so it is very good.