Patent ID: 7940749

Claim:
An outgoing network access method of a common communication terminal architecture supporting multiple network access capabilities, said method comprising simultaneously connecting a common terminal to both a Mobile Switching Center (MSC) and a Virtual Mobile Server (VMS) whenever an IP (Internet Protocol) network connection is available for said common terminal in order to optimize the system performance, transmission performance, user applications and quality of service for said common terminal, wherein said method further comprising: a) Establishing communication between said common terminal and said MSC through said IP connection with a Visitor IP address when a wired network is available for said common terminal, b) Establishing communication between said common terminal and said MSC via Wireless LAN (Local Area Network) or Wireless PAN (Personal Access Network) or BWA (Broadband Wireless Access) through said IP connection with said Visitor IP address when said wired network is not available, but said Wireless LAN or said Wireless PAN or said BWA is available for said common terminal, c) Connecting said common terminal to said MSC via cellular base station over a mobile cellular air-link channel when all of said wired network, said Wireless LAN, said Wireless PAN and said BWA are not available for said common terminal, and d) Synchronizing said common terminal to said VMS with a Home-IP address whenever said IP connection is available between said common terminal and said MSC.