Patent ID: 6907016

Claim:
In a CDMA-based cellular telecommunications network, a method for performing a dormant hand-off for a dormant Mobile Node (MN) from a source packet zone to a target packet zone, wherein the MN has an active A 10 connection and an active PPP connection with a target PDSN of the target packet zone, the method comprising the steps of: while the MN has an active A 10 connection and an active PPP connection with a target PDSN of the target packet zone, issuing from the dormant MN an origination request for the target packet zone; responsive to the origination request, sending an A- 11 Radio network Packet data serving node (RP) registration request from a target Packet Control Function (PCF-T) to the target PDSN for the MN, the A- 11 /RP registration request comprising a mobility indicator indicative that the MN is performing a dormant hand-off; and responsive to the receipt of the registration request, initiating a Mobile IP registration procedure.