Modem manufacturers claimed that their 56K modems would double the access speed achieved by 28.8K modems at a fraction of the cost of ISDN access. We hope to answer some of them here. If your modem is v90 only, we support the latest list of v90 protocols available.
Speed is the primary benefit.
Theoretically, you can access the Internet at twice the speed of your old 28.8K modem. And using ISDN or similar data-transmission speeds is initially more costly. Net offers K56flex Internet access. There were two major, mutually exclusive 56K modem standards. The problem was that x2 technology could only connect to x2 technology, and K56flex could only connect to K56flex.