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Which call flow matches traffic from a Mobile and Remote Access registered endpoint to central call control?

A.

Endpoint>Expressway-C>Expressway-E>Cisco UCM

Answers
A.

Endpoint>Expressway-C>Expressway-E>Cisco UCM

B.

Endpoint>Expressway-E>Expressway-C> Cisco UCM

Answers
B.

Endpoint>Expressway-E>Expressway-C> Cisco UCM

C.

Endpoint>Expressway-E> Cisco UCM

Answers
C.

Endpoint>Expressway-E> Cisco UCM

D.

Endpoint>Expressway-C> Cisco UCM

Answers
D.

Endpoint>Expressway-C> Cisco UCM

Suggested answer: A

Explanation:

The call flow for a Mobile and Remote Access registered endpoint to central call control is as follows:

The endpoint registers with the Expressway-C.

The Expressway-C forwards the registration request to the Expressway-E.

The Expressway-E forwards the registration request to the Cisco UCM.

The Cisco UCM registers the endpoint.

When the endpoint places a call, the call flow is as follows:

The endpoint sends the call request to the Expressway-C.

The Expressway-C forwards the call request to the Expressway-E.

The Expressway-E forwards the call request to the Cisco UCM.

The Cisco UCM places the call.

The Expressway-C and Expressway-E are used to provide secure access to the Cisco UCM for

endpoints that are not located on the corporate network. The Expressway-C is located on the

corporate network, and the Expressway-E is located in the DMZ.

asked 10/10/2024
Helmut Steingraber
33 questions
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