Refer to the exhibit.
After some system maintenance was completed over the weekend, a customer calling from the office states they hear a fast busy when trying to access their voicemail.
Avaya support verifies local network connectivity is up and Avaya Aura Messaging server is registering no alarms. A SIP trace displays a 404 Not Found error message.
Based on what is already working, to where can the issue potentially be isolated?
Refer To The Ex 1 (34.18 KiB) Viewed 49 times
A. endpoint routing configuration issue
B. interoperability testing
C. network outage
D. routing configuration issues
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