... 1700, 1800, 2600, 2800, 3700 and 3800 series modular access routers The ADSL WAN interface cards (WICs) supported on ... supported on the Cisco 1800 (modular), 2800, 3800 series Integrated Services Routers (ISRs). These WICs deliver business class ADSL over ... voice integration, differentiated classes of service, and managed network access with Cisco IOS Software. These value-added features, along with ...