You have created 5 ephone-dns with tags of 1-5. You wish to assign all 5 ephone-dns to a single button on an IP phone.
Which of the following is a valid configuration?

A.
Ephone 1 overlay
Mac-address 003c.0012.1234
Button 1: 1:2 1:3 1:4 1:5

B.
Ephone 1
Mac-address 003c.0012.1234
Button 1:1,2,3,4,5 overlay

C.
Ephone 1
Mac-address 003c.0012.1234
Button 1o1 1o2 1o3 1o4 1o5

D.
Ephone 1
Mac-address 003c.0012.1234
Button 1o1,2,3,4,5

Explanation:
The “o” character replaces the “:” character for this command. The other answers are not using correct variables.