The Gigaset N510 IP Pro is a feature-rich DECT base station designed for use in office and call centre environments. As is the case with all cordless DECT systems, it is possible to register a total of six handsets to the base station. This device also allows users to hold up to four phone calls at the same time, and it works with all standard VoIP networks.. A DECT phone that combines slimline design and leading edge technology Anyone expecting from a phone the slimline design of a smartphone and the technology of a professional DECT mobile device need look no further than the Gigaset SL800H PRO. It is the smallest and most lightweight cordless phone in the Gigaset Professional portfolio and features large colour display, superb sound quality and excellent battery. Anyone attaching importance to greatest level of mobility freedom will also be greatly pleased by this DECT mobile device: It can also be used easily with a headset or as a handsfree phone.