Patent ID: 6961322

Claim:
A method for management of an Internet Protocol (IP) address of a mobile station through a network, the method comprising the steps of: obtaining by the network the IP address and a validity time period for the mobile station, wherein the step of obtaining includes the step of requesting by the mobile station the IP address and validity time period from the network, wherein the step of obtaining further includes the step of requesting by the network the IP address and the validity time period from a Dynamic Host Configuration Protocol (DHCP); transmitting the IP address and the validity time period to the mobile station; renewing the IP address for a new validity time period; if the IP address was obtained from the Dynamic Host Configuration Protocol (DHCP), requesting by the network the new validity time period to the Dynamic Host Configuration Protocol (DHCP); and if a handset name is available, registering by the network the new validity time period for the IP address and name to a Domain Name Server.