Join Conference Calls for a Boss
You can join an incoming conference call on behalf of a boss's line and add the boss to the conference 
call.
Procedure
1. Press the Conference soft key.
2. Dial the boss's number or select the contact.
3. After the call is answered, press the Conference soft key.
4. After you have connected the boss's line to the conference call, press End Call to leave the 
conference call.
Shared Lines
Polycom, Inc. 66