Android下SIP、IMS中doubango框架及ngn库，其中tinysip库是so文件，本库文件已经修改为支持以太网连接。原框架只支持3G或者wifi网络。-Android under SIP, IMS and ngn in doubango fr a mework libraries, which tinysip library is so documents, the library has been modified to support Ethernet connection.