Although Unifon was made available to a number of schools, it was overshadowed by another initial teaching alphabet, the i/t/a. The i/t/a was supported with $20 million in research grants in the US and the UK.
Although Unifon was made available to a number of schools in the early 1960's, it was overshadowed by another initial teaching alphabet, Pitman's Augmented Roman. This came to be known as the i/t/a and was supported with $20 million in research grants in the US and the UK.