Nokia Oyj has announced a collaboration with ST Engineering and First One Systems to deploy an IP/MPLS-based mission-critical Backbone Transmission Network (BTN) for the new Mass Rapid Transit $(MRT)$ Orange Line of Bangkok Expressway and Metro Public Company Limited (BEM). The project, expected to be completed by 2030, will utilize Nokia's IP/MPLS solution, including the Nokia 7250 Interconnect Router, Nokia 7210 Service Access System, and Nokia Service Platform. The deployment aims to provide high-capacity, low-latency, reliable, and secure network infrastructure to support various railway applications such as CCTV surveillance, public announcements, passenger information displays, radio communication, and SCADA. The solution is designed to enhance operational efficiency, security, and network visibility for BEM.