... 1700, 1800, 2600, 2800, 3700 and 3800 series modular access routers The ADSL WAN interface cards (WICs) supported on the Cisco ... on the Cisco 1800 (modular), 2800, 3800 series Integrated Services Routers (ISRs). These WICs deliver business class ADSL over basic telephone ... with the Cisco 1700/1800/2600/2800/3700/3800 Series routers, enable service providers and resellers to offer additional services by ...