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Question 9 - 72200X discussion
After an Avaya Aura® Communication Manager (CM) upgrade, a customer called Avaya support because their H.323 telephones were unable to login. Support was able to confirm that the telephones had not been upgraded.
Which pre-implementation step was omitted?
A.
Insure Presence Services was upgraded correctly.
B.
Test all third-party equipment and software.
C.
Verify the firmware version installed is compatible with existing versions.
D.
Provide accurate licensing specification.
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