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
