Auto-attendance DISA
Auto Callback on Busy
Caller ID Intercom
Caller ID Transfer Display
Call Pick Up
Class of Services
Call Forwarding
Call Transfer on Busy
Do Not Disturb
Power Failure Transfer
Incoming Call Ringing Assignment
Walking Class of Service
3-duration OGM Record
1,2,8 Ext Digital Number Coding
Electronic Specifications:
Voltage: 110 or 220VAC, 50~60Hz
Max. Power Consume : 30W
Cross Attenuation ≥ 70 DB
Transmit Loss ≤ 0.37DB
Dialing Mode: Pulse/ DTMF
Environment Temp: 0~45 ℃
Environment Humidity: 10%~90%
Line Length; 1km
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