| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To make communication between users smoother utilizing terminal type information. <P>SOLUTION: A terminal type is specified based upon information in login and the information is notified by adding it to presence information. Besides, terminals of the same type are connected by an SIP server. Thus, the selection of the communication means of voice communications and a character chat when communication is started and the specification of a calling terminal at a partner terminal are enabled by adding terminal information to the presence information and grasping mutual owned terminals. In addition, detailed status can be grasped from presence information of the same name by grasping presence information and terminal information. Further, in the case of a terminal not provided with a presence function, an SIP server also identifies terminal type information by deputy and can also specify a calling terminal. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
