Panasonic KX-TD816 (second hand) 4 () 8 , 8 8 . :• 4 ( ).• 8 ( ).• 6 (TRS).• (ARS).• 500 ( 32 ) .• "".• ISDN (2BRI) ( KX-TD280).• 4, ( KX-TD180). :• , 12 .• , , .• . . ► :KX-TD180 (4CO)KX-TD280 (2SO) ISDNKX-TD190 (DISA)Panasonic KX-T7431BPanasonic KX-T7433Panasonic KX-T7565Panasonic KX-T7730Panasonic KX-T7735