ELECTRICAL SAFETY ADVISORYParties responsible for equipment requiring AC power should consider including an advisory notice in their cus-tomer information suggesting the customer use a surge protector. Telephone companies report that electricalsurges, typically lightning transients, are very destructive to customer terminal equipment connected to ACpower sources. This has been identified as a major nationwide problem.5.4 MUSIC ON HOLD WARNINGIMPORTANT NOTICE: In accordance with US copyright laws, a license may be required from the AmericanSociety of Composers, Authors and Publishers (ASCAP) or other similar organizations if copyright music is trans-mitted through the Music on Hold feature.SAMSUNG TELECOMMUNICATIONS AMERICA hereby disclaims any liability arising out of failure to obtain such alicense.5.5 DISA WARNINGLines that are used for the direct Inward System Access feature must have the disconnect supervision optionsprovided by the telephone company.WARNING: As it is impossible to control who may access your DISA line it is suggested that you do not turn thisfeature on unless you intend to use it. If you do use this feature, it is good practice to frequently change passcodes and periodically review your telephone records for unauthorized use.5.6 UNDERWRITERS LABORATORIESThe OfficeServ 7100 system has been tested to comply with safety standards in the United States as listed below.This system is listed with Underwriters Laboratories.For earlier products, the UL Mark is separately shown on the label.5.3