umcall?um由咪?国外打电话用什么软件?Free Phone Call iPhone版 2.2.0621 下载

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umcall免费手机通话软件--Free Phone Call软件简介

UMcall基于互联网络免费语音通话和收发消息的免费手机通话软件, 在2G/3G/WiFi网络环境均可良好通信, 电信级通话质量, 通话流畅, 音质清晰。双向实时通话(非对讲模式), 超级语音编解码和网络传输技术, 全球领先, 永不掉线, 有网即通。 UM用户之间通话和收发消息是完全免费的, 仅消耗少量流量,由运营商收取。同时支持非UM用户快捷拨打, 由运营商按普通电话资费收取，。UMcall支持全球230多个国家或地区, 突破通话区域界线, 让我们不再顾虑国内、国际长途、漫游, 长时间通话等产生的高额费用。 功能特点: 1、永久免费 免费网络语音通话和收发消息,不分国内、国际长途,无漫游,下载安装即可,不含任何定制费。 2、节省话费 超低流量消耗,每秒1.5KB,每小时5MB左右,全球领先,免话费、省流量 ,开拓免费移动通话新时代。 3、方便易用 一键激活无需登录,自动集成好友,联系人智能检索,快捷拨打任意通。 4、移动网络无国界通话 2G、3G、WiFi网络均可良好通信,通话流畅,音质清晰,全球随意通,突破通话区域界线,中英文支持。 技术特色: 1、超高语音编解码技术 全球领先的语音编解码技术,双向1.5K/S带宽即可,适应2G/3G/WiFi网络。 2、永不掉线有网即通技术 有网即通自动技术,实现实时通话自动恢复联接。 3、实时双向通话,非对讲模式 静音检测、回声拟制、抖动平滑、延时递补等技术实现双向实时通话,区别于对讲模式。 4、绿色健康 基于网络低流量、低带宽、辐射小,通话时间是普通电话拨打的2倍以上,耗电省一倍,绿色健康体验。 UMcall is a free software for mobile phone, which could make calls and send/receive message through network. It could work well in 2G/3G/WiFi with high quality and fluent voice. Calling by UMcall is not intercom mode but in time full duplex. This software uses world's leading technology in voice codec and Network transmission to make sure that it will never lose connection. You could use it anywhere covered by network signal. The calls and messages between users are absolutely free by using UMcall; however, it will just cost a little mobile network traffic when there is no Wifi in use. It will cost about 1.5KB per second, it mains about 5MB per hour. The cost for traffic produced by the software is charged by Telecommunications Operator. At the same time, common calls are also supported by UMcall, with the same cost as common calls. UMcall software could be used in more than 230 countries and regions. You will be never confused with the highly payment for long distance or ramble phone calls any more by using umcall. Function Features 1. Free Forever Make calls and send/receive message absolutely free(but you should pay for mobile network yourself), whatever at home and abroad. 2. Economic Low traffic costs. About 1.5KB/s(5MB/h) when using this software. 3. Convenient One key to register. Automatic integrate with contact. Intelligent search for contact. Easy to use. 4. Call Anywhere Can be used in the whole world through 2G/3G/WiFi. English and Chinese supported.

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