US 12,137,395 B2
Enhanced short message service memory management support by mobility management components of devices communicating via mobile wireless networks
Vyacheslav Lemberg, Long Grove, IL (US); Narothum Saxena, Hoffman Estates, IL (US); and Michael S. Irizarry, Barrington Hills, IL (US)
Assigned to United States Cellular Corporation, Chicago, IL (US)
Filed by United States Cellular Corporation, Chicago, IL (US)
Filed on Jul. 27, 2022, as Appl. No. 17/874,473.
Prior Publication US 2024/0040342 A1, Feb. 1, 2024
Int. Cl. H04W 4/14 (2009.01)
CPC H04W 4/14 (2013.01) 10 Claims
OG exemplary drawing
 
1. A method carried out by a mobility management component for providing enhanced short message service (SMS) memory handling in the absence of a user equipment signaling capability to indicate that an SMS memory is available after the user equipment issues a signal indicating an SMS memory unavailable error condition to the mobility management component, the method comprising:
receiving the signal indicating an SMS memory unavailable error condition from the user equipment device;
setting, in accordance with the receiving, an SMS memory error condition timer for the user equipment device;
issuing, in accordance with the receiving, an SMS memory failure message to temporarily cause suspension of sending SMS messages, via a short message service center (SMSC), to the user equipment device; and
issuing, in response to expiration of a time period after the setting the SMS memory error condition timer, an SMS memory available message to resume SMS message delivery to the mobility management component for forwarding to the user equipment device.