ITU-T Data Modem Standards

ITU V.22

The algorithm implemented is the ITU-T V.22modem recommendation transmitting data at rates of up 1 200 bps. It is a Full-Duplex, Quadrature Phase Shift Keyed (QPSK) modem.

V.22 and V.22bis both operate at 600 symbols per second, on carrier frequencies of 2,400Hz and 1,200Hz, for respective high and low channels. An optional guard tone may also be applied to the high channel.

This product has been developed and shipped by SIGNALS+SOFTWARE on a number of platforms previously, both standalone and as part of a complete solution, and would be available customized to meet specific requirements.

For more information please contact our sales team.

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