The corded phone boasts 99 numbers with 8 digits incoming call memory,66 numbers with 16 digits incoming call memory and 20 numbers with 16 digits outgoing call memory. Simple two-line operation to hang off one line and pick up another line;you can hold the current line and talk to another line or hold two lines while conference conversation.And there are16 kinds of ringing tone for Line1 and Line2 selection. FSK/DTMF Caller ID receiving and auto-detection with built-in P/T switch and pre-dail/mute/flash/conference conversation function,set PABX code and local area code. 6 groups one touch memory and 10 groups 16 digits two touch memory. The corded telephone has LED indicator for missed call and ring. You can check,erase,call back or delete incoming/outgoing calls.