-FSK/DTMF compatible; FSK auto-adjust real time. -Record 62 incoming calls, 16 outgoing calls(8 digits). which can be checked ,redialed and delete. -VIP number setting, which can not be deleted and with special incoming ring. -One digit for PABX access code setting. -Auto filter the local area code and auto add “0” when dialing-back a long … Continue reading SUPERCOM Caller ID Telephone & Keylock For High Cost Calls