Linphone 是一款基于 SIP 协议的免费 VoIP 和视频电话软件。其源码可访问于：git://git.linphone.org/linphone-iphone.git
Linphone is a free VoIP and video softphone based on the SIP protocol. Mirror of linphone-iphone (git://git.linphone.org/linphone-iphone.git)
