PORTABLE INFORMATION APPARATUS / EXTENSION TELEPHONE SET CONNECTION SYSTEM AND METHOD THEREFOR

摘要

PROBLEM TO BE SOLVED: To provide a portable information apparatus / extension telephone set connection system which enables a temporary employee to connect with an extension telephone set of a dispatched company while maintaining the security. SOLUTION: The portable information apparatus / extension telephone set connection system is provided with: an extension telephone set connection means for connecting a portable information apparatus to an extension telephone system by a VPN after authenticating the portable information apparatus; and a VoIP connection means for connecting the portable information apparatus connected to the extension telephone system to an extension telephone set connected to the extension telephone system by the VoIP. COPYRIGHT: (C)2004,JPO&NCIPI