Voice over Peer to Peer (Voptop) stands for private, anonymous & tap-proof communication.
Voice over Peer to Peer (Voptop) offers great system stability by using decentralised control structures in a peer to peer network.
Voice over Peer to Peer (Voptop) is free of cost in all its functionality for private users.
Voice over Peer to Peer (Voptop) is "open source", released under its own open source license.
Instant messaging
Video telephony
Internet telephony (VoIP)
Screen sharing