is experienced and far end does not ring Which three actions should you take to

Is experienced and far end does not ring which three

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is experienced and far-end does not ring. Which three actions should you take to determine the root cause of these call failures? (Choose three.) A. Verify the Network Class of Service (NCOS) settings for the system against the routing requirements. B. Verify that all the IP telephones used on the failed calls are registering and functioning normally. C. Verify that the link between the Network Routing Service (NRS) and the Fail Safe Signaling Server is operational. D. Determine if the third-party switch users are experiencing similar or other problems when they originate calls to the CS 1000M system. E. Check logs and Operational Measurement (OM) reports to determine if there is a network alarm or call-blocking (call volume/bandwidth) problem to third-party switch. Answer: A, D, E QUESTION: 56 A customer has a Communication Server (CS) 1000 Rls. 5.0 system at the main campus and another at a remote site. Remote IP telephone users are reporting call failures, such as dropped calls and a fast busy tone, during peak office hours. Which action should you take to determine the root cause of the call failures? B
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