US 11,722,886 B2
Static IP handling per access point name
Shon Lonkar, Maple Valley, WA (US)
Assigned to T-Mobile USA, Inc., Bellevue, WA (US)
Filed by T-Mobile USA, Inc., Bellevue, WA (US)
Filed on Sep. 16, 2021, as Appl. No. 17/477,149.
Application 17/477,149 is a division of application No. 16/793,471, filed on Feb. 18, 2020, granted, now 11,134,374.
Prior Publication US 2022/0007177 A1, Jan. 6, 2022
Int. Cl. H04W 8/26 (2009.01); H04W 36/00 (2009.01); H04L 12/14 (2006.01); H04W 48/08 (2009.01); H04L 61/5007 (2022.01); H04L 101/375 (2022.01)
CPC H04W 8/26 (2013.01) [H04L 12/1407 (2013.01); H04L 61/5007 (2022.05); H04W 36/0011 (2013.01); H04W 48/08 (2013.01); H04L 2101/375 (2022.05)] 16 Claims
OG exemplary drawing
 
1. A method of selectively restricting a user to an access point name (APN) related to a static internet protocol (IP) address in a cellular communication network, the method comprising:
identifying a first APN to which all traffic from the user should be routed;
at a policy control rule function (PCRF), checking an indicia related to the APN in a communication from the user, wherein the indicia comprises a first field containing the first APN in a Diameter credit control request received at the PCRF, wherein the PCRF requests a list of features authorized for the user, wherein the list of features identifying each APN authorized for the user according to the feature;
wherein checking the indicia comprises identifying a feature in the list of features that restricts the user to the first APN;
allowing communication with the user responsive to the indicia matching the criteria; and
blocking communication with the user responsive to the indicia not matching the criteria.