A method and system for instant calling of instant messaging subscriber

A demand session method and system for demand communication users is that a demand communication user transfers a calling list containing other demand users to a demand communication server. The user sending the list and the said other users form a communication group, the server system receives the phonetic calling request of the users one by one at the same time and receives the phonetic data packet sent by the said user than to transfer the said packet to other demand communication users, realizing phonetic communication among multiple demand communication users. 一种涉及电通信技术的即时通讯用户的即时通话的方法和系统，即时通讯系统中的即时通讯用户向即时通讯服务器系统传送包括其它即时通讯用户的呼叫列表，发送呼叫列表的即时通讯用户与所述的其它即时通讯用户通过即时通讯服务器系统形成一通讯组，即时通讯服务器系统在同一时间内择一地接受该通讯组中即时通讯用户的语音呼叫请求，并接收该即时通讯用户所发出的语音数据包，即时通讯服务器系统将所述的语音数据包转发至该通讯组中的其它即时通讯用户，本发明实现了多个即时通讯用户之间的语音通讯，提供了一种高效率的通话方法。