SMS

pagers, cellular mobile telephones, electronic telephones, digital key telephone unit, switching mode power supply, video facsimile unit, computer peripheral unit, card reader, optical fiber transmission unit, teleprinter, computers and computer terminals, digital microwave unit, facsimile, key telephone unit, optical fiber terminal, card-operated public telephones, electronic scales, feature electronic phones and feature phones, namely - telephones with special phones that incorporate redialing, memory, pause/save, hold and/or teleconferencing functions