Linphone

Linphone is an open source app offering free audio/video calls and text messaging. With Linphone, you can be reachable at any time, even if the app is closed, with a WiFi or 3G/4G internet connection.

Linphone key features:

* high definition audio and video calls

* audio conference calls with various participants

* pictures and file sharing

* Linphone accounts reachable at any time, even if the app is closed (thanks to push notifications)

* secure communication (encryption options)

* compliant with a large number of SIP-compatible VoIP service providers allowing to reach everyone that has a "classic" phone line.

Linphone is available on the main mobile and desktop operating systems and offers various specific features for advanced users (codecs, transport standard, encryption options, DTMF...). For more information, see Linphone project website: www.linphone.org

Note for developers and professionals:

Linphone can be rebranded and customized to meet specific needs. Contact Belledonne Communications www.belledonne-communications.com for any specific development query.

Linphone会是一个开源的应用程序提供免费的音频/视频通话和短信。随着Linphone会，你可以在任何时候可以到达，即使应用程序被关闭，具有WiFi或3G / 4G网络连接。

Linphone会主要特点：

*高清晰度音频和视频呼叫

*音频会议与各与会者的电话

*图片和文件共享

* Linphone会占到可达在任何时候，即使应用程序被关闭（感谢推送通知）

*安全通信（加密选项）

*兼容大量的SIP兼容的VoIP服务提供商允许达到人人有“经典”的电话线。

Linphone会可在主要的移动和桌面操作系统，并提供各种特定功能为高级用户（编解码器，传输标准，加密选项，DTMF ...）。欲了解更多信息，请参阅Linphone会项目网站：www.linphone.org

注意开发人员和专业人士：

Linphone会可更名和定制，以满足特定需求。联系Belledonne通信www.belledonne-communications.com任何具体发展查询。