一套不错的IOS音视频SDK，可用于二次开发，无回声问题，支持1080P高清视频通讯，采用了P2P技术，支持多平台互通，公开了代码跟开发文档，很适合做项目。-A good set of IOS audio and video SDK for secondary development, no echo problem, support 1080P HD video communications using P2P technology to support multi-platform inte

IOS端视频通话系统，输入用户名密码即可进行彼此通话-IOS end video intercom system, enter your user name password to talk to each other