1、One key connect(+10、+8、+5、+3、+0)

2、Flash time adjustable to fit for different exchange and three way talk,standard flash time is 600ms

3、14 digits memory

4、16 kinds of ring melody optional

5、Speaker volume 4 levels adjustable

6、Ring volume 4 levels adjustable

7、Handsfree,redial,3 way conference

8、MWL with Message Retrieval Function

9、Music on hold

10、Pause key

11、Mute key

12、Auto hang up

13、Desk and wall mountable

14、Data socket

15、Thunder-proof and Anti_EMI design

16、Waterproof and moistureproof