Description
Linphone is an open source SIP Phone, available on mobile and desktop environments (iOS, Android, Windows Phone 8, GNU/Linux, Windows Desktop, MAC OSX) and on web browsers.
Linphone has inside a separation between the user interfaces and the core engine, allowing to create various kinds of user interface on top of the same functionalities.
The user interface frontends:Gtk+ interface for windows, mac and GNU/Linux
The console interface (linphonec, linphonecsh)
The iPhone application built in objective C
The Android application running in java
The Windows Phone application written in C#
Liblinphone, the core engine: this is the library that implements all the functionalities of Linphone.Liblinphone is a powerful SIP VoIP video SDK that anyone can use to add audio or video call capabilities to an application. It provides a high level api to initiate, receive, terminate audio & video calls.
Liblinphone relies on the following software components:Mediastreamer2, a powerful multimedia SDK to make audio/video streaming and processing.
oRTP, a simple RTP library.
belle-sip the SIP library.
Liblinphone and all its dependencies are written in pure C.
上图是最新的官方网站提出来的架构图，具有很高的价值。
这张图是linphone3.3.2的架构图，
这张图是系统运行框图，新版本跟老版本应该不会有太大的变化，毕竟已经是很多年的老程序了，应该是通用的。
linphone中各个模块的说明：
- Callback模块
- Genera_stat模块：
- Address模块
- Authorization模块
- Chat模块
- Friends模块
- Configure模块
- Offer_answer模块
- Presence模块
- Proxy模块
- Sql模块
- Core模块
底层模块
- Mediastream
- ortp
