Detailed Product Description
Card Expandable Structure
From 8 to 16 CO lines,
32 to 64 Extensions.
Allows Connect 8pcs CO lines in per CO line card.
Allows Connect 8pcs Extension lines in per Extension line card

Main Functions:
1. Support CTI software
2. Any extension port can be connected with our
key telephone (or single line telephone), plug and play
3. Caller ID transferred
4. Auto detect Fax Signal
5. Outward code dialing ( least cost route, can save call fee)
6. Auto add IP code when dial long-distance call
7. Outside ( CO ) Line Duration Time Limit
8. Station lock ( personal password, allows lock your extension)
9. Busy transferred
10. Unconditional Transferred
11. Call Transferred to Secretary
12. Do Not Disturb(DND)
13. Day and Night service
14. Twin routes 3pcs OGM for DISA, total 30 seconds.
15. Party Conference ( between 2 extensions and 1 CO line )
16. Party Conference ( among 3 extensions)
17. Executive busy override
18. Monitor voice record
19. Enable/ disable outside caller reaches extension by one touch dialing
20. Hot line ( Call to operator as soon as lifts handset without any number input )
21. One touch dialing, allows call to operator by one key
22. Outside line ring by turns( allows assign extension ring by turns when has outside call)
23. Allows has maximum of eight extension ringing at the same time
24. Extension outgoing call class
25. Extension free notice
26. Extension number assignable freewill ( 2, 3 or 4 digits)
27. Self-Extension Number Confirmation
28. Various Outside ( CO ) Line Access Mode Selection
29. Make outside call by code ( speed dialing, increase your work efficiency)
30. Remote program, more convenient and easy after service.

much More features.