US 12,035,420 B2
Breakout gateway control function number modification based on SIP invite header information
Jason Cataquis, Bellevue, WA (US); and Dennis Romero, Mine Hill, NJ (US)
Assigned to T-Mobile USA, Inc., Bellevue, WA (US)
Filed by T-Mobile USA, Inc., Bellevue, WA (US)
Filed on Nov. 18, 2021, as Appl. No. 17/530,367.
Prior Publication US 2023/0156865 A1, May 18, 2023
Int. Cl. H04W 80/10 (2009.01); H04M 7/12 (2006.01); H04L 65/1033 (2022.01); H04L 65/1104 (2022.01); H04L 101/385 (2022.01)
CPC H04W 80/10 (2013.01) [H04M 7/127 (2013.01); H04L 65/1033 (2013.01); H04L 65/1104 (2022.05); H04L 2101/385 (2022.05)] 18 Claims
OG exemplary drawing
 
1. At least one computer-readable storage medium, excluding transitory signals and carrying instructions, which, when executed by at least one data processor of a system, cause the system to:
determine a SIP INVITE header information,
wherein the SIP INVITE header information comprises a P-Access-Network-Info (PANI) header information,
wherein the PANI header information comprises a text string concatenation of a mobile country code (MCC), a mobile network code (MNC), a tracking area code (TAC), and a cell-identity value;
determine a geographic location information based on the PANI header information,
wherein the geographic location information comprises a major trading area (MTA) information;
determine a number prefix associated with the geographic location information; and
generate a SIP INVITE request uniform resource identifier (R-URI) based on the number prefix.