Oxygen SMS Gateway allows uninterruptable communication between people regardless of the service used. Current version supports two services: SMS and e-mail. It means that people having at least one of these services can communicate with each other. The main advantage of Oxygen SMS Gateway over all other email-sms gating services is that the Oxygen SMS Gateway is bidirectional. You can send SMS to e-mail address and vice versa. Then you can receive the answer, reply to this answer and so on. The Oxygen SMS Gateway works under Microsoft Windows'95,'98, Windows NT, Windows ME and Windows 2000 operating systems family. The Gateway supports the following Nokia GSM phones: 3210, 3310, 3330, 5110, 5130, 5190, 6110, 6130, 6150, 6190, 6210, 6250, 7110, 7190, 8210, 8250, 8290, 8810, 8850, 8890 and works via DAU-9P (or simple FBUS) or DLR-3 cables.