US 12,088,644 B1
Single number communications accessibility
Willie Dorance King, Austin, TX (US); Mayank Bhutani, Duvall, WA (US); Poomima Magadevan, Bellevue, WA (US); Homer Nicolas B. Filart, Renton, WA (US); Jason Wayne Hayes, Lynnwood, WA (US); Dinko Dinkov, Kirkland, WA (US); Suryanarayana Murthy Gorty, Redmond, WA (US); Mark Alan Tauscher, Phoenix, AZ (US); Dennis Allan Selznick, Overland Park, KS (US); and Stephen Lee Dekat, Olathe, KS (US)
Assigned to T-Mobile USA, Inc., Bellevue, WA (US)
Filed by T-Mobile USA, Inc., Bellevue, WA (US)
Filed on May 22, 2023, as Appl. No. 18/200,369.
Int. Cl. H04L 12/00 (2006.01); H04L 65/1046 (2022.01); H04L 65/1069 (2022.01); H04L 65/1104 (2022.01)
CPC H04L 65/1104 (2022.05) [H04L 65/1046 (2013.01); H04L 65/1069 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
receiving, from a user equipment (UE) at a session border controller (SBC) configured at a wireless communications network, a request to establish a communications session between the UE and a destination device;
determining, at the SBC and based at least in part on the request, a requested communications type and a device identifier associated with the UE;
determining, at the SBC and based at least on the requested communications type and the device identifier, assistance routing data associated with the UE;
generating, based at least in part on determining the assistance routing data associated with the UE and the request, a session initiation protocol (SIP) INVITE message based at least in part on the request;
transmitting, by the SBC and based at least in part on the assistance routing data, the SIP INVITE message to a video relay service (VRS) system; and
establishing, via the wireless communications network and based at least in part on the SIP INVITE message, the communications session between the UE and the destination device via the VRS system.