We are in a need of a secure and encrypted VoIP client 1st for Android, 2nd for iOS.
The VoIP client may be using Open Source libraries, and has to be based upon ZRTP (up to) SRTP protocols. The protocols and technology can be used from open source libraries.
Other details which has to be customized are - guidelines;
- Sandbox application
- 256 AES encryption @ login
- APP user registration
- Hidden directories required
- Add contacts only XMPP / Email
- VoIP communication using XMPP
- Design customizations
- Disable features
Extended project description is available.
We advice this project to a freelancer who is / was contributing on; Ring, Redphone / Signal, CSipSimple, Linphone, etc.
Deadline two weeks + Budget $500 - $800