SMS-IWF reassignment for SMS link outage

A computer device comprising:

• a memory configured to store instructions;
• and
• a processor configured to execute the instructions to:
• receive a service request from a user equipment (UE) device via a wireless access network;
• identify a Short Message Service (SMS) device associated with the UE device;
• determine that the identified SMS device is associated with a link failure;
• instruct the UE device to take action based on determining that the identified SMS device is associated with a link failure;
• receive a re-attach request from the UE device, in response to instructing the UE device to take action;
• and
• assign a functioning SMS device to the UE device, in response to receiving the re-attach request.

A system comprising:

• a plurality of Short Message Service Inter-Working Function (SMS-IWF) devices configured to send and receive Short Message Service (SMS) messages to a plurality of user equipment (UE) devices;
• and
• a Mobility Management Entity (MME) configured to:
• receive a Tracking Area Update (TAU) request from a UE device, of the plurality of UE devices, via a wireless access network;
• identify a SMS-IWF device, of the plurality of SMS-IWF devices, associated with the UE device;
• determine that the identified SMS-IWF device is associated with a link failure;
• instruct the UE device to detach based on determining that the identified SMS-IWF device is associated with a link failure;
• receive a re-attach request from the UE device, in response to instructing the UE device to detach;
• and
• assign a functioning SMS-IWF device, of the plurality of SMS-IWF devices, to the UE device, in response to receiving the re-attach request.