US 12,445,554 B2
Method and device for managing multiple wireless connections sharing a limited trunk group
Karen Stansbury, St Simons Island, GA (US); Howard Lang, Wayside, NJ (US); and Derek Baylor, Mableton, GA (US)
Assigned to AT&T Intellectual Property I, L.P., Atlanta, GA (US); and AT&T Mobility II LLC, Atlanta, GA (US)
Filed by AT&T Intellectual Property I, L.P., Atlanta, GA (US); and AT&T Mobility II LLC, Atlanta, GA (US)
Filed on Oct. 26, 2022, as Appl. No. 17/973,971.
Prior Publication US 2024/0146839 A1, May 2, 2024
Int. Cl. H04M 3/42 (2006.01); H04W 8/18 (2009.01)
CPC H04M 3/42314 (2013.01) [H04W 8/183 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A non-transitory machine-readable medium, comprising executable instructions that, when executed by a processing system including a processor of a wireless Private Branch Exchange (PBX), facilitate performance of operations, the operations comprising:
facilitating communication sessions over a plurality of radios of the wireless PBX via one or more Radio Access Networks (RANs) of one or more carriers, wherein the wireless PBX includes a plurality of Subscriber Identity Modules (SIMs), wherein there is a maximum number of concurrent communication sessions permitted that is fewer than a number of the plurality of SIMs;
determining that the maximum number of concurrent communication sessions has been reached; and
responsive to reaching the maximum number of concurrent communication sessions, facilitating establishing another communication session for one of the plurality of SIMs via a WiFi gateway.