The disclosure relates to a method for network voice communication, the method comprising: a user in the global world applying for and obtaining a network voice communication number through a network voice communication client, the network voice communication number entirely consisting of multiple digits; using the network voice communication number as the network address of network voice communication of the user; performing voice communication between users that have obtained network voice communication numbers through the Internet; wherein there is no need for the users to go through an invitation, acceptance or authentication process with each other during the network voice communication. The present disclosure utilizes the sharing property of the Internet to extend the scope of free call applications to support mobile phones, tablets, IP landline phones (Internet phones) and Internet mobile phones, and realizes a free call function.