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Vendor Contact Data

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Video-Conferencing Test
1-900-255-LOOP

(900-255-5667)

ISDN Test Number
1-900-267-LOOP

(900-267-5667)

Calls cost
$1 per min, per channel.
900 no.'s are digital bonding loops

For questions call:
Customer Service
(314) 645-5550



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    Loopback knows how difficult it is to keep track of the contact numbers for the many vendors in the Video-Conferencing and ISDN industry.

    This page is a collection of commonly used company names, service numbers, and Web sites.

COMPANY SERVICE NO. WEB SITE
Loopback, Inc. 314-645-5550 www.loop-back.com
900-255-5667 (ISDN Loop Test)
MCI 800-318-3049 (Western) www.mci.com
800-333-2007 (Eastern)
ATT 800-367-7956 (ISDN Repair) www.att.com
800-222-7956 (ISDN Registration)
Sprint 800-788-9930 (ISDN) www.sprint.com
800-366-2663 (Video)
Worldcom 800-264-1000 www.worldcom.com
Picturetel 800-8-PICTEL (874-2835) www.pictel.com
V-Tel 800-225-5254 www.vtel.com
Ascend 800-ASCEND-4 (272-3634) www.ascend.com
Adtran 888-423-8726 www.adtran.com
Lucent 800-242-2121 www.lucent.com
Gandalf 800-GANDALF (426-3253) www.gandalf.ca
Madge 800-876-2343 www.madge.com
Promptus 800-727-5267 www.promptus.com

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