Receiving Call Feature	Making call Feature
* DISA Auto-attendant	* Dial 0 or 9 for CO line
* Operator Attendant	* Extension outgoing call class
* Call Transfer	* Outside ( CO ) Line Duration Time Limit
* 3-party Conference Call	* Dial 9 or 0 to operator
* Call Pick up	* Allow extension use appointed CO line
* Unconditional Transfer
* External and extension caller ID

 

System Feature	Optional Feature
* Self-extension number confirmation	* UK/US/AU/EUR Power Plugs
* Total 15s OGM	* 110V or 220V power supply

 

Item	Patameter
Power	AC110V or AC220V   50-60Hz
Feed Currency	DC48V; 25mA
Ringing Currency	AC65v/50Hz
DISA	15 second
Communication path	7
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