multi-function peripherals, namely, multi-function printers with functions of printer, facsimile, photocopy and scanner; photocopiers; facsimile machines; scanners; printers for digital imaging systems; electronic boards for drawing text and images, transferring text and images to a computer and printing text and images; network cameras; telephones; private branch exchange equipment, namely, telephones, voice-over-internet telephones, network telephones and electronic telephone switching devices for forwarding and distributing telephone calls; electronic communication adapters; power line communication electric adaptors; audio teleconference system comprised of telephones, speakerphones, remote extension speakers, remote microphones and telephone call recorders; monitoring televisions for door phone video intercom system for security monitoring purposes; intercoms; electronic card readers; electronic card writers; RFID (Radio frequency identification) readers; RFID (Radio frequency identification) writers; contactless IC card readers; contactless IC card writers; computer software for document management; computer software for document distribution