With 4 to 8 voice channels, applies industrial module
Simple installation and easy configuration via ordinary phone DTMF command
False Answer Supervision (FAS) for accurate billing with line disconnect supervision and accurate battery reversal (anti-polarity) signal
GSM frequency bands: 900/1800MHz, quad bank, CDMA 450, 800, 1900MHz or 800/1900MHz dual band with auto network detection, ruim or none ruim access supported
LCD display all port activities, signal, dialing and billing
Caller ID display supported
Caller ID restriction based on network default/command config
Individual channel power supply for easy SIM card replacement
Sensitive busy tone detection as short as 3 seconds for fast flash hook
Call prefix restriction
Compatible with Quintum, Cisco and good for termination/origination
Incoming call blocked
Speaker and microphone voice volume adjustable
Incoming call number filtering
SIM/port, zone locked and unlocked
Supports PBX as trunk access, NEC/Panasonic tested