Description
Key features:
-Incoming/outgoing number, time & date record
-Conversation duration counting
-Compatible with ETSI/Bellcore FSK and DTMF caller ID
-Live line operating status indication
-Flexible system parameter programming
-HID USB data transmission without USB driver
-Multiple system LED indicator status control
-Provide several talking startup conditions
-Expandable to 4 devices simultaneously
-Start talking interval & missed call time setting
-Provide polarity reversal detection