Well, do you have a VAL (TN2501) board? If so you can use it to provide MOH as an integ-mus option.
This is a pretty detailed setup so take a look at the Avaya Aura Call Center ref guide. 07-602568 (5.2) or equiv. for your release of CM. support.avaya.com/css/P8/documents/100082003 (6.0)
Otherwise, you will need an analog port to assign MOH and you will need the hardware to support. Don't forget about the requirements to play MOH in a corp environment. (Royalty licensed music)
This is a pretty detailed setup so take a look at the Avaya Aura Call Center ref guide. 07-602568 (5.2) or equiv. for your release of CM. support.avaya.com/css/P8/documents/100082003 (6.0)
Otherwise, you will need an analog port to assign MOH and you will need the hardware to support. Don't forget about the requirements to play MOH in a corp environment. (Royalty licensed music)