Western Telematic Data/FaxModem - Manual (Page 25)

8. Customer Service
Customer Service hours are from 8:00 AM to 5:00 PM, PST, Monday
through Friday. When calling, please be prepared to give the name and
make of the unit, its serial number and a description of its symptoms. If
the unit should need to be returned for factory repair it must be
accompanied by a Return Authorization number from Customer
Service.
WTI Customer Service
5 Sterling
Irvine, California 92618
949-586-9950
Toll Free: 1-800-854-7226
Fax: 949-583-9514
http://www.wti.com
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