Handling calls on Polycom phones Device Description; Polycom VVX 400 & 410 Call button summary How to use the navigational arrow buttons How to screen control keys How to place a call How to answer a call How to transfer a call (announced transfer) How to transfer a call (blind transfer) How to answer answer a second call whilst on an active call How to three-way conference How to pick up a call (group pick up) How to park a call How to set up call forwarding (call divert) How to remove a call forwarding How to add numbers to contract directory & speed dial list