Patent ID: 8948754
Filing Date: 2015-02-03
Classification: H04W

Abstract:
1. A method of establishing a connection between a device and a communication network, the method comprising: determining that the device needs to obtain a signaling connection with or an attachment to the communication network; issuing an Attach_Request message requesting a connection with the communication network, comprising a first identifier of a first access point in the communication network, wherein no other Attach_Request message has been issued from the device to the communication network since the determination; in response to issuing the Attach_Request message identifying the first access point, and upon the communication network determining the first access point is unavailable, receiving an Attach_Accept message comprising a second identifier of a second access point in the communication network, wherein the second access point is different than the first access point; and issuing an Attach_Complete message to complete connection of the device to the second access point.