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Ericsson Wi-Fi Mobility Gateway

Product Name
Ericsson Wi-Fi Mobility Gateway

The Wi-Fi Mobility Gateway is the combined product that supports both evolved Packet Data Gateway (ePDG) and Trusted Wi-Fi Access Gateway (TWAG) functionality.

The Wi-Fi Mobility Gateway is a high-performance versatile software product that enables Evolved Packet Core services in untrusted Wi-Fi access, i.e., residential Wi-Fi. Ericsson Wi-Fi Mobility Gateway can be used for session continuity when moving from LTE to untrusted Wi-Fi and vice versa. It ensures the best quality of experience (QoE) for the mobile subscriber. The Wi-Fi Mobility Gateway also supports trusted Wi-Fi access network integration (TWAG) with 3GPP network for seamless authentication of SIM based subscribers. This includes S2a for GTPv2 interface between the Wi-Fi Mobility Gateway and PDN GW. The TWAG functionality can also be used for data offloading of 3GPP networks.

To support Wi-Fi calling (Voice over Wi-Fi), Ericsson offers an end-to-end solution based on Evolved Packet Core with the Wi-Fi Mobility Gateway, integration toward Ericsson IP Multimedia Subsystem, Ericsson Mobile Softswitch Solution, Home Subscriber Server and IPWorks. The solution is fully verified toward the smartphone brands that support Wi-Fi calling.

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