Patent ID: 7065062

Claim:
In an IP-based Code Division Multiple Access (CDMA) cellular telecommunications network, a method for handing-off a dormant Mobile Node (MN) to a target packet zone having a Packet Data Service Node (PDSN) and a Base Station Controller with a Packet Control Function (BSC/PCF), the method comprising the steps of: transmitting from the dormant MN to the BSC/PCF an origination request message comprising an indication that the MN is dormant; responsive to a receipt of the origination request, sending from the BSC/PCF to the PDSN a registration request message, the registration request comprising an indication of an identity of the MN and an indication that the MN is dormant; transmitting from the PDSN to the BSC/PCF a registration reply, the registration reply comprising an indication for requesting the BSC/PCF to set up a traffic channel between the BSC/PCF and the MN and for informing the BSC/PCF that the PDSN has packet data ready to be sent to the MN; responsive to a receipt of the registration reply by the BSC/PCF, establishing a traffic channel between the BSC/PCF and the MN.