[OSL | CCIE_Voice] CME: DND

[ccievoice1]

Hi all,

Just wondering is it possible when 2111 calling 2222, and 2222 pressed DND
then 2111 will hear only silence?

!
ephone-dn 2
 number 2222
!
ephone 2
 button 1f2
 no dnd feture-ring  <-- and exactly what this command do?
!

Thanks.