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Date: 2012-08-30 10:11:53Telecommunications Telephony Electronic engineering Telecommunications Relay Service Telecommunications device for the deaf Teleprinter Caller ID Robert Weitbrecht Telephone Assistive technology Technology Deafness | USING YOUR SUPERPRINT PRO80 LVD Esc OptionsAdd to Reading ListSource URL: www.abouttty.comDownload Document from Source WebsiteFile Size: 4,22 MBShare Document on Facebook |