Reliance Jio and T-Mobile Achieve World’s First 5G Standalone (5G SA) Roaming: Architecture, SEPP Security, and Latency Analysis
Reliance Jio and T-Mobile US completed the world’s first commercial 5G Standalone (5G SA) international roaming connection between India and the United States. Powered by Syniverse IPX and 3GPP SEPP security gateways, the link delivers native VoNR, sub-100ms cross-border routing, and international network slicing.