PJSIP open source "static library" for iOS, to with utilities to download/compile the latest versions of pjsip, as well as clear instructions to add it as a XCode dependency (and git submodule). Author: Otávio Zabaleta Added: 2015/06/03 "GreenJ is an open source Voice-over-IP phone software using pjsip and Qt. It can easily be used to build your own VoIP phone system. Our approach was not to buil