Poly CCX 400 User Manual

Procedure
1. Do one of the following:
• Select UC-One on the Home screen.
• Go to Settings > Features > UC-One Call Settings.
2. If your phone has multiple lines, select a phone line.
3. Select Anonymous Call Reject.
4. On the Anonymous Call Reject screen, select Enabled.
When an anonymous call is placed to your phone number, the call is automatically rejected and
the caller hears a message stating that you do not accept calls from unidentified numbers. Your
phone does not ring, and you are not notified of an attempted call.
Audio Calls
46

Poly CCX 400 Specifications

General

Product Type	Business Media Phone
SIP Protocol Support	Yes
Wall Mountable	Yes
Audio Features	HD Voice, Acoustic Fence technology
Connectivity	Bluetooth 5.0
Power	Power over Ethernet (PoE), Optional external AC adapter
Ports	USB