Capacity:
Card Expandable Structure

From 8, 12 to 16 CO lines
From 16 to 128 Extensions

Has 4ports or 8 ports in per CO line card

Has 8ports 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 )