To give you maximum flexibility, the Gigaset C470 IP lets you easily switch between internet and fixed-line phoning at the touch of a button – whichever suits you best. You can also add up to 6 extra handsets to your phone system and experience the convenience of multiline calling . That means up to 3 family members or friends can make parallel calls – up to 2 VoIP calls and 1 fixed-line call at the same time. Access online infomation easily with the interactive Info Center, Check and read your emails on the email viewer, Worldwide free calls between Gigaset VoIP phones on Gigaset.net