Receiving Call Feature
* DISA Auto-attendant
* Operator Attendant
* Call Transfer
* 3-party Conference Call
* Busy Transfer
* Unconditional Transfer
* Call Transferred to Secretary
* Call Pick up
* External and extension caller ID
* Transferred caller ID
* Do Not Disturb(DND)
* Day/Night service
* Extension ring by turns
* Outside caller call extension by one touch
* Call on holding
* External music on hold socket
* 128 extension ringing assignable
System Feature
* Self-extension number confirmation
* Pulse and tone mode setting
* Power failure transfer
* Total 60s OGM
* Remote Program
* Executive busy override
* Extension number assignable freewill
* Polarity Reverse Detection
Making call Feature
* Dial 0 or 9 for CO line
* Select Desired CO line
* Least cost routing
* IP code access automatically
* Extension password
* Personal account
* Hot line ( call to operator without dialing)
* Ringback on busy ( when Ext. becomes free)
* Speed dialing
* Extension outgoing call class
* Outside ( CO ) Line Duration Time Limit
* Dial 9 or 0 to operator
* Exclusive Line
* Allow extension use appointed CO line
* Extension Lock
Optional Feature
* Voice mail
* 110V or 220V power supply
* UK/US/AU/EUR Power Plugs
Technical specifications
Power: AC110V or AC220V 50-60Hz
Feed Currency: DC48V; 25mA
Ringing Currency: AC65v/50Hz
DISA: 60second, 3-duration, 30s-15s-15s
Communication path: 15
Extension number length: 2 to 4 digits
Caller ID:
* Receive: Auto adapt DTMF, FSK (Bell.202)
* Send: FSK (Bell.202)
Dial mode: DTMF
Degree of Unbalance about earth:
* 300Hz~600Hz≤40dB
* 600Hz~3400Hz≤46dB
Transmission Attributes:
* Extension to extension ≤1.5dB
* Extension to extension ≤2.0dB
