Ready Technology (UK) Limited
reSIProcate is the premium open-source implementation of SIP, developed in first-class C++ by some of the authors of the IETF SIP RFC and leaders of various open source projects. This application demonstrates how to develop a basic SIP text messaging app on Android using the Android NDK and JNI....
HOTP soft token for two-factor authentication. Can be used with the dynalogin server and SimpleID for Single-Sign-On to OpenID web sites.
The ultimate and most convenient way to make free, fully encrypted calls, this dialer uses the open standards SIP and ENUM to let you call any friend using Lumicall, as well as anyone using any of the other open-standards based VoIP clients, such as Jitsi, on smartphones and on desktop PCs....