Do Not Disturb (Make Set Busy)

This feature when activated allows the phone to be placed in a constant busy state. It prevents incoming calls from ringing the phone.

To enable Do Not Disturb or Make Set Busy

Phone Type Steps Notes
All phones 1. Dial *78 
OR
1. Dial *76 to toggle the feature on.
 
 
Phones with DND or MSB soft key 1. Press the DND or MSB key.  
Nortel phones with Feature key 1. Press the Feature key followed by the feature code 85.  

To disable Do Not Disturb or Make Set Busy

Phone Type Steps Notes
All phones 1. Dial *79 
OR
1. Dial *76 to toggle the feature off.
 
 
Phones with DND or MSB soft key 1. Press the DND or MSB key.  
Nortel phones with Feature key 1. Press the Feature key followed by the feature code #85.  

See Feature Key Mode page on how to change label between DND and MSB.