Conference up to Seven Parties  | 44  | 
Leave the Conference and Return  | 45  | 
Leave the Conference  | 45  | 
Data Calls  | 45  | 
Use Data Features  | 46  | 
Do Not Disturb  | 46  | 
Activate Do Not Disturb  | 47  | 
Deactivate Do Not Disturb  | 47  | 
Event Timer Display  | 47  | 
Use the Event Timer  | 47  | 
Group Listen  | 48  | 
Add Group Listen Parties to a Conference | 48  | 
Rejoin the Conference  | 49  | 
Hold  | 49  | 
Place a Call on Hold  | 49  | 
Retrieve a Party on Hold  | 50  | 
Place a Call when a Party is On Hold and Alternate Between Calls  | 50  | 
Toggle between Held Calls  | 51  | 
Hotline Conference  | 51  | 
Initiate a Hotline Conference Call | 51  | 
Accept a Hotline Conference Call  | 52  | 
Hotline  | 52  | 
Use Hotline  | 52  | 
Intercom  | 52  | 
Place an Intercom Call  | 53  | 
Answer an Intercom Call  | 53  | 
54  | |
Enter a   | 54  | 
Leave a   | 54  | 
Aastra -   | M  | ix  | 
  | M  | 
  |