Fast delivery small exchange pabx Product Description Model:TK-832 (6A) 632(6CO lines + 32extensions)6CO line +32ext linesExt LINECAPACITY:4CO, 6 CO LINES. 16,24,32, EXT LINESexpand to 6+32 ADD on-Spares TK-848-008 TONE boardPSC- powerIVR navigation-six segment telephonist of computerMSP charging interface+PCCODE- second caller ID Main..