Specification
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