V-series recommendations

From DictionGloss

Sets of telecommunications protocols and interfaces defined by CCITT (now ITU-T) Recommendations.

V.21 - A CCITT Recommendation for modem communications over standard commercially available lines at 300 b/s. This protocol is generally not used in the United States.

V.22bis - A CCITT Recommendation for modem communications over standard commercially available voice-grade channels at 2,400 b/s and below.

V.32 - A CCITT Recommendation for modem communications over standard commercially available voice-grade channels at 9.6 kb/s and below.

V.32bis - A CCITT Recommendation for modem communication over standard commercially available voice-grade channels at 14.4 kb/s and below.

V.34 - An ITU-T Recommendation for modem communication over standard commercially available voice-grade channels at 28.8 kb/s and below.

V.42 - A CCITT Recommendation for error correction on modem communications.

V.42bis - A CCITT Recommendation for data compression on a modem circuit.

V.FAST - A CCITT Recommendation for high-speed modems.