Patent ID: 9113334
Filing Date: 2015-08-18
Classification: H04L,H04W

Abstract:
1. A method for controlling access to voice resources using mobility management messages in a mobile communications network, the method comprising: receiving, from a mobile switching center (MSC), a mobility management message associated with a mobile subscriber, wherein the mobility management message includes a subscriber identifier and the MSC identifier; determining a priority level of the mobile subscriber based on the subscriber identifier and the MSC identifier included in the mobility management message; controlling access to voice resources for the mobile subscriber based on the priority level, wherein controlling access to voice resources includes one of: blocking registration of a mobile device, terminating an existing call for a mobile device, discarding the mobility management message, and generating a mobility management response message; wherein controlling access to voice resources includes generating one of a mobile application part (MAP) update location acknowledgement message, a MAP send authentication information acknowledgment message, a MAP check (IMEI) acknowledgment message, a MAP cancel location message, a MAP purge mobile subscriber message, a send routing information (SRI) response message, a MAP provide roaming number acknowledgement message, and a SIP acknowledgment message; and including an error code in the generated message, wherein including the error code includes including one of an unknown subscriber error code, a roaming not allowed error code, a system failure error code, and an unexpected data value error code.