Compare 3Com U.S. Robotics 56K Modem 5686E Analog Modem (USR325686E) to 3Com 3CP3468 ISDN Terminal Adapter

U.S.Robotics has been building the world's best modems for over 25 years, and now is bringing you the latest in modem technology. V.92 lets you send e-mail and attachments faster, get online quicker, and even take incoming phone calls without losing your Internet connection. Getting a better connection is as easy as the three-step installation procedure. The U.S.Robotics 56K faxmodem combines the superior performance and reliability of a controller-based modem with the convenience of V.92 technology.??Need to send a batch of digital pictures or a large presentation? V.92 lets you send attachments up to 50% faster! Quick Connect enables you to establish your connection faster, so you spend less time dialing up. You're only seconds away from surfing the Web! U.S.Robotics Internet Call Notification (ICN) lets you screen incoming calls so you can take the important ones. (Call Waiting and Caller ID require service from your local phone company.) Modem on Hold enables you to take calls ... Less

The 3Com U.S. Robotics ISDN TA puts high-speed productivity on your desktop - more working, less waiting. With ISDN service from your phone company, the ISDN TA gives you 128K digital communication with the Internet, a remote corporate network, or other computers. Less