The following vendors offer RAS-compatible ISDN terminal adapters and routers.

ISDN PC Boards
Digi International
Products: PC IMAC, DataFire
Phone: 612-943-9020; 800-344-4273
Web: http://www.digibd.com

IBM Corporation
Products: Waverunner
Phone: 800-426-7255
Web: http://www.ibm.com

ISDN*tek
Products: ISDN*tek ISDN Card
Phone: 415-712-3000
Fax: 415-712-3003
Web: http://www.isdntek.com

Xircom, Inc.
Products: ISDN Basic Rate Adapter
Phone: 800-438-4526
Fax: 805-376-9100
Web: http://www.xircom.com

ISDN Routers
Ascend Communications
Products: Ascend Pipeline and Max series
Phone: 800-621-9578
Fax: 510-814-2300
Web: http://www.ascend.com

Cisco Systems, Inc.
Products: Cisco 1003, Cisco 1004
Phone: 408-526-4000; 800-553-6387
Fax: 408-526-4100
Web: http://cio.cisco.com

ISDN Terminal Adapters
3Com, Inc.
Products: Impact ISDN Digital Modems
Phone: 408-764-5000
Web: http://www.3com.com

ADAK Communications
Products: Models 220/221/400/500
Phone: 517-887-5806
Fax: 517-882-3194
Web: http://www.adak.com

ADTRAN, Inc.
Products: ISU 128, ISU 2X64, ISU Express
Web: http://www.adtran.com

AT&T Network Systems
Products: ExpressRoute
Phone: 510-815-8000
Web: http://www.attns.com/er2f.htm

Motorola
Products: BitSURFR Pro
Phone: 708-576-5000
Web: http://www.mot.com

U.S. Robotics
Products: Courier I-modem
Phone: 708-982-5010
Fax: 708-933-5800
Web: http://www.usr.com

ZyXEL
Products: Elite 2864I
Phone: 800-255-4101
Fax: 714-693-0705
Web: http://www.zyxel.com