Q. What is the main element of VoWiFi architecture?

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Q. What is the interface between a UE (User Equipment) and ePDG (Evolved Packet Data Gateway) in the GAN architecture?

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Q. What is the interface between ePDG (Evolved Packet Data Gateway) PDN -G (Packet Data Network Gateway) in the GAN architecture?

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Q. A Trusted Non-3GPP network element can directly communicate with PDN Gateway using ___ interface.

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Q. A Trusted Non-3GPP network element can directly communicate with a PCRF (Policy and Charging Rules Function) using ___ interface.

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Q. A Trusted Non-3GPP network element can directly communicate with AAA authentication server using ___ interface.

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Q. An Untrusted Non-3GPP network element can communicate with ePDG (Evolved Packet Data Gateway) using ___ interface in a GAN architecture.

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Q. An Untrusted Non-3GPP network element can communicate with the 3GPP AAA authentication server using ___ interface.

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Q. What is the interface between an ePDG and 3GPP AAA server in a GAN or VoWiFi architecture?

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Q. What is the interface between a 3GPP AAA server and a PDN Gateway element in a VoWi-Fi network architecture?

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Q. What is the interface between ePDG and PCRF elements in a VoWiFi architecture?

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Q. What is the interface between a PDN Gateway and PCRF element in GAN (Generic Access Network) architecture?

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Q. What is the interface between a PCRF and IP Services (IMS, PSS etc) element in a Non-Roaming GAN architecture?

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Q. What is the interface between PCRF and Operator's IP Services element in a Non-Roaming GAN architecture?

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Q. What is the interface between PCRF and Serving-Gateway in a Non-Roaming VoWi-Fi architecture?

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Q. What is the interface between a HSS (Home Suscriber Server) and an MME (Mobility Management Entitiy) of a 3GPP access network in a Non-Roaming VoWi-Fi (or GAN) architecture?

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Q. What is the interface between HSS (Home Subscriber Server) and 3GPP AAA Server in a Non-Roaming GAN architecture?

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Q. State TRUE or FALSE.
In a Roaming GAN architecture, PCRF element is dividedas vPCRF (Visitor PCRF) and hPCRF (Home PCRF) elements.

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Q. In an Evolved Packet System (EPS), what is the interface between vPCRF and hPCRF in Roaming architecture?

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Q. State TRUE or FALSE.
In a Roaming GAN architecture, ePDG uses vPCRF and PDN-Gateway uses hPCRF.

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