Patent ID: 8054747

Claim:
A method of registration management for a mobile node, said method comprising: registering said mobile node with a wireless telecommunications network to obtain a mobile node registration, said mobile node registration having a registration time period; said mobile node transmitting and receiving packet data traffic within said registration time period, said packet data traffic including user data traffic and/or automatic data traffic; determining whether a renewal criterion is met, wherein determining whether said renewal criterion is met comprises determining how much of said packet data traffic occurs during a sampling window within said registration time period, said sampling window being exclusive of a predictable time period that is used by said mobile node to transmit automatic data traffic, wherein said renewal criterion is met if at least a predetermined amount of said packet data traffic occurs during said sampling window, such that renewal is based on a presence of user data traffic in said packet data traffic; and renewing said mobile node registration if said renewal criterion is met.