LANCOM 821+ ADSL2 + Modem As an ADSL2+ router, the LANCOM 821+ opens up broadband Internet access for complete networks in small and medium-sized companies and offices. At the same time, the router also serves all connected stations as a gateway for office applications such as e-mail, fax or other ISDN applications. A powerful stateful inspection firewall with intrusion detection and denial of service protection, as well as detailed monitoring, accounting and content filters for all workstations characterize the professional orientation of the LANCOM router. The integrated firewall with the latest security functions such as stateful inspection, intrusion prevention and denial-of-service protection reliably protects your network against attacks from the Internet. Extensive backup options and high-availability functions via ISDN and VRRP are supplemented by dynamic bandwidth management and guarantee smooth round-the-clock operation. The included management systems LANconfig and LANmonitor offer cost-effective remote maintenance of entire installations and particularly convenient setup wizards, as well as complete real-time monitoring and logging. In addition, comprehensive scripting methods and professional management access via SSH, HTTPS, TFTP and ISDN dial-in are available for service providers. Thanks to versatile routing and address translation functions, a wide variety of networks can be easily connected via one and the same infrastructure. The optional SIP proxy and SIP gateway functions offer considerable savings potential by using existing data connections for voice transmission. The integrated ISDN interface offers remote commissioning, dial-in access and CAPI convenience functions such as FAX services for all connected PCs.