Detailed Product Description

FSK/DTMF CID compatible and auto-detecting 41 incoming calls, 9 out-going calls 18 kinds of ringer music sound selectable Automatic report incoming caller/s number Parallel connection telephone call 3 group alarm clock function Handsfree and ringer HI/LOW volume adjust 5 bit local code and 1 bit out code 4 kinds key-tone choose 1 Auto IP and 1IP with a memory of 48 digits Music on hold function Pre-dialing similar mobile phone P/T and Anti-parallel phone key switch IDD lock function Super withstand fight strike