A data breach is an incident that involves the unauthorized or illegal viewing, access or retrieval of data by an individual, application or service. It is a type of security breach specifically designed to steal and/or publish data to an unsecured or illegal location. A data breach is also known as a data spill or data leak.
V.22bis is an ITU Telecommunication Standardization Sector (ITU-T) standard that extends the V.22 standard by providing a faster transmission rate using quadrature amplitude modulation (QAM) at 600 baud to carry digital data at 1,200 or 2,400 bits per second, although the 1,200 bit rate is more compatible with the standard.
V.22bis is pronounced "v-dot-twenty-two-biss."
V.22bis was developed in 1984 to allow synchronous and asynchronous 2,400 bps full duplex modems to be used on dial-up lines and two-wire leased lines.
Modems that adhere to V.22 standards are intended for use on general switched telephone network (GSTN) connections and on point-to-point, two-wire leased telephone circuits.
The important features of V.22 modems are:
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