Voice- and video calls without any server or Internet access. Simply scan each others QR-Code and call each other. This works in many local networks such as community mesh networks, company networks or at home.
Features:
- voice and video calls
- no accounts or registration
- encrypted communication
- database backup and encryption
- add custom addresses to reach contacts
CupLink exchanges the contact name and IP address via QR-Code. An IP address is sufficient to connect to clients. This does not even need a DHCP server.
Details can be found in the Documentation or in the FAQ.
Starting from version 0.4.6.x WebRTC library should be pre-built and places into app/libs directory. Corresponding instruction on how to build it can be found here. Also 0.4.6.x migrated to Unified Plan.