Main Function

Can be connected with 2 key phones

System programmed and monitored by key phone easily.

Built-in 6 duration Out-Going Message

Built-in Caller ID function for intercom and outside Line number and number can be transferred display again and again.. An incoming calls number can be displayed at 5 extensions at same time.

 Economical Code  auto-route

Select a CO Line directly without dialing digit  “9”.

Day/Night Service manually

Flexible Extension Numbering

255 groups Walking Account Code

Manger/Secretary Call-group

3-party Conference Call

Hot Dialing

Auto call back on busy

Multi-answer Mode

Call Forward

Setting Operator

Extension lock

Call Pick-up

Conversation Time Alarm

Interrupt and disconnect an outside call

Power Supply

Power supply voltage: 110VAC or 220 VAC,50/60 Hz 

Maximum power consumption: 30W 

Cross-talk attenuation: >70db 

Internal feeding voltage: +28VDC, 30mA 

Internal ringing voltage:75VAC/50Hz 

External line port voltage: <60VDC 

External line port ringing voltage: 35VAC/25Hz or >35VAC/50Hz 

performance parameter 

Power supply voltage: 220 VAC,50/60 Hz 
Maximum power consumption: 35W 
Cross-talk attenuation: >70db 
Internal feeding voltage: +28VDC, 30mA 
Internal ringing voltage:75VAC/50Hz 
External line port voltage: <60VDC 
External line port ringing voltage: 35VAC/25Hz or >35VAC/50Hz 

Environmental Limits
Operating temperatures: 0°C to 45°C (32°F to 113°F) 
Operating humidity: 10% to 95% without condensation