1 .VoIP(Internet Telephone) in one.

2.Make or answer VoIP calls easily by phone keypads.

3.Multi-channel call available.

4.Commercial grade speakerphone￡?ideal for conference calls.

5.LCD with backlight.

6.VoIP calling history reviewable.

7.Phone rings for incoming calls, ring style and volume selectable

8.Echo cancellation, noise reduction, full duplex communication