What Is V.22bis?

It's time to step up your modem game as its time to upgrade. V.22bis is here, and a new standard of efficiency and speed to the game.V.22bis was introduced in 1985 as an ITU-T standard. It extends V.22 by providing a faster transmission rate using quadrature amplitude modulation at 600 baud to carry given digital data at 1,200 or 2,400 (bps). While the 1,200-bit rate is more compatible with the standard, the 2,400-bit rate is preferred because it offers better error correction capabilities and improved signal quality.V.22bis was developed to allow better performance for data communication over standard telephone lines, such as Internet access. It was invented in the year the 1990s and standardized in 2001. V.22bis significantly improves data transmission speed over V.22. It is commonly used in Internet connection sharing, fax over IP, and remote administration. V.22bis is also known as Quad Standard or Quad-X. The original V.22 was developed by Bell Labs in 1983 to increase the speed of modems over dial-up lines because the thought that the maximum speed of 2400 bps could not be achieved using analog transmission techniques. The solution is to use digital methods to encode data into a carrier waveform that could send over a phone line at 2400 bps.V.22bis.It was developed when it became clear that people would want the same technology for use on two-wire leased lines and dial-up lines. The only difference between the two modems is that they are connected: one type connects directly to an analog phone line; the other connects directly to a digital telephone network (but still uses analog signaling). V.22bis is a standard for modems that adhere to V.22 standards. These modems are used on public switched telephone network (GSTN) connections and point-to-point, two-wire leased telephone circuits.