You can store ten telephone numbers, which are ignored when a fax is received from them. The device rings but the device does not receive a fax.(See chapter 'Selective spam filter')

Attention:
For this function to work, the caller line identification
(CLIP) must be activated for your telephone
connection (country and network dependent).

The information on this page applies to the following models: IPF525/GBB , IPF555/GBB .