Open source apps and resources categorized by SIP, H.323, IAX, and RTP protocols. It includes clients, libraries, gatekeepers, and any other open source resource available for those specific protocols plus PBX and IVR platforms.
Femtocells are an alternative way to deliver the benefits of Fixed Mobile Convergence. The distinction is that most FMC architectures require a new (dual-mode) handset which works with existing home/enterprise Wi-Fi access points, while a femtocell-based deployment will work with existing handsets but requires installation of a new access point.