Which statement is an example of “Top Down Troubleshooting” with an IP Phone that is not working?
A . Check the IP Phone configuration and confirm that the gateway IP address is present.
B . Ping the telephone, and if successful, try to call it.
C . Swap out the telephone patch cord, and if the telephone boots up, call the telephone.
D . Listen for a dial tone, and if not heard, then check for an indicator light where the telephone is connected.
Answer: D
Explanation:
References: https://downloads.avaya.com/elmodocs2/ip_phones/r2_0/233507_2/lanad052.html