Opencode Evolved Packet Data Gateway (ePDG) in Short

VoWiFi Calls Provided Over Untrusted Wi-Fi Hotspots

Fully authenticate users attached to untrusted Wi-Fi access points through EAP-enabled communication. Orchestrates end-to-end user sessions while acting as an IPSec/GTP tunnel gateway. Reduces the cost of traffic and enables cost-effective roaming services for MNOs.