The ADSL WAN interface cards (WICs) deliver business class ADSL over ISDN services for small and medium-sized businesses to enterprise branch offices. These ADSL WICs, combined with the selected Cisco routers, enable service providers and resellers to offer additional services by supporting features for business-class security, voice integration, differentiated classes of service, and managed network access with Cisco IOS Software. These value-added features, along with the manageability and reliability of Cisco IOS technology, provide the mission-critical networking that businesses require.