The Servel Project – an open-source telecommunications system comprised of at least two mobile phones that are able to work outside of regular mobile phone tower range
Mobile communications are useful but depend on infrastructure that can be damaged, overwhelmed, or even absent. This app assumes zero infrastructure. The phones talk to each other using WiFi; relaying calls and messages and figuring out how to resolve numbers. In other words, it lets your phone communicate with other Android phones running Serval Mesh...
