4g Lte Evolved Packet Core -epc- - Concepts And Call Flows Download Portable -

UE gets IP address, default bearer active, UE enters ECM-CONNECTED.

The Evolved Packet Core (EPC) is the all-IP core network of the 4G LTE system. It provides high-throughput, low-latency, and seamless mobility. Unlike previous circuit-switched cores, the EPC is purely packet-switched, handling both user data (bearers) and signaling. UE gets IP address, default bearer active, UE