Refer to the exhibit
Which command does a voice administrator use to program ephone 1 to have extension 1000?
A.
command button 1:1 under ephone-dn 1 configuration
B.
command number 1:1 under ephone-dn 1 configuration
C.
command number 1:1 under ephone 1 configuration
D.
command button 1:1 under ephone 1 configuration