Programming The Music On Hold 

To enter a programming session, follow the next few simple steps:

1) Press FEATURE * * 2 6 6 3 4 4

2) Enter Password: 2 6 6 3 4 4

Display will read: " Terminals & Sets"

Using the navigation keys, as displayed below, follow the next simple steps:

3) Press: NEXT

Display will read: "Lines"

4) Press: Next

Display will read: "Services"

5) Press: Next

  Display will read: "System Speed Dial"

7) Press: Next

Display will read: "Passwords"

8) Press: Next

Display will read: "Time and Date"

9) Press: Next

Display will read: "System Programming"

10) Press: Show

 Display will read: "Change DN's"

12) Press: NEXT

Display will read: "Feature Settings"

13) Press: Show

Display will read: "Background Music"

Press Change "softkey" to Y

14) Press: NEXT

Display will read: "On hold"

Press  change"softkey" until you see Music 

15) Press: Next

Congratulations! You have just turned on the Music On Hold.