Quick Guide DSP Bluetooth Speakerphone Art: TB-1500 [Recitatives = DSP {Digital Signal Processor) » Echo cancellation » Phone Book Download (Phoebe dependent) # Text: To Speech Technology + Vole Command to pick up and reject the call « Announces Caller Name * Support 5 languages «+ {BURGHS Spanish: Mensch-Frenth-Ttalian). « Support voice dialing.