VZOchat is a free software for making video calls and instant messaging

Instant messaging

Instant Messaging is a form of real-time direct text-based chatting communication in push mode between two or more people using personal computers or other devices, along with shared clients. The user's text is conveyed over a network, such as the Internet...

. Unlike well-known Skype

Skype

Skype is a software application that allows users to make voice and video calls and chat over the Internet. Calls to other users within the Skype service are free, while calls to both traditional landline telephones and mobile phones can be made for a fee using a debit-based user account system...

 and other VoIP software, VZOchat is not based on P2P technology

Peer-to-peer

Peer-to-peer computing or networking is a distributed application architecture that partitions tasks or workloads among peers. Peers are equally privileged, equipotent participants in the application...

. Instead, it uses a central server to handle data flows. As of January 2010, the community of VZOchat users comprised more than 1,100,000 people and rapidly growing.

VZOchat was originally launched under the name ZoomChat on 2005-02-14.

One of the most important issue for VZOchat is a good video connection.