1. Built-in Caller ID function for incoming lines and extension lines which won't be lost even transfered for many times;

2. Call Queuing Function. It can assign dense calls to different extension averagely, which shortens the time of waiting. It is very helpful for 800 hotline and sales department, just let everyone get calls averagely;

3. Can be connected with one Key Phone;

4. Flexible Numbering for extension. Leading number is 1, 2, 8, with a length of 2-4 digits;

5.6 Class of Services, which can make some limitation on any extentions for some calling in or out, it all depends on you.

6. External Music Resource interface.

7. Automatical IP Economical Routing. It can set two groups( No account code and no password), one is for domestic, the other is for international. When dialing long distance call, system will go through IP Economical Routing automatically. It is very easy to operate, as well to save money at most.

8. Conference Call, which can support 8 parties;

9. Outgoing and Incoming Call Inquiry at Key Phone;

10. Self-recorded Computer operater;

11. Conversation Time Limitation;

12. Two routing port outside line to inside line directly while power off;

13. with the function to interrupt and disconnect for outside line;

14. Multi-Station Setting, can set 3 stations at most;

15. Manager-Secretary function, can set 8 parties at most. All calling to manager will route to secretary extension first, and secretary will decide whether transfer to manager after hearing the calls, which can prevent from disturbing by unnecessary calls;

16. Special Line for some extension to call in or out;

17. Day-Night limitation for extension to connect with outside line;

18. Choice for different Co. Lines/ PBX Extension;

19. Mobile account. It can set 32 group accompany passwords with different class of calling services. It is convenient to distribute the passwords to the management so they can call out with their passwords at any extension;

20. Mobile Extension(Selection);

21. It will remind you if No- Answer on any transfered extension and Call Hold without action;

22. Day-Night Service can be switched by operation;

23. Hotline Dialing can be set, in this way, you just pick up the phone, if without action in several minutes(which depends on youself), system will dial the hotline you set automatically;

24. Extension can be locked by passwords;

25. You can pick up the calls for others if he is not in, just transfer to your phone directly by pressing a button;

26. Routing Out directly. without pressing any number for extension to call out;

27. Reservation for Extension and Outside Line when busy. If free, system will remind you and help to dial the number.

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
ENVIRONMENTAL LIMITS
Operating temperatures: 0° C to 45° C (32° F to 113° F)
Operating humidity: 10% to 95% without condensation
CABLE REQUIREMENTS
Feature phone: Maximum 100m(2 pairs twisted wire 0.5@)
Single line phone: Maximum 1, 000m(1 pair twisted wire 0.5@)

Outgoing call: DTMF
Cross lose: > 70dBII