1. While on a call, press the Center Nav key to answer call waiting.
   
2. To make a three-way call, while on a call, press the Left Soft key.
   
3. Select Goto, then press the Center Nav key.
   
4. Select Contacts, then press the Center Nav key.
   
5. Select the desired contact, then press the Left Soft key.
   
6. Select Call, then press the Center Nav key.
   
7. With both calls on the line, press the Left Soft key.
   
8. Select Merge calls, then press the Center Nav key.
   
9. To end, press the Left Soft key.
   
10. Scroll down to select End conference, then press the Center Nav key.