50(8 digits) incoming numberdisplay,check, call back
16 outgoing number and talking time memories
1-99 hours no-disturb function,key lock function
16 chord music,4 ring volume adjustable
LCD bright adjustable,P/T dial mode changeable
1000/600/300/180/120/100/95/90ms choice
Local number set,8 digits local number
20(8 digits) outgoing number check.1 IP number