The average customer bill is up by 14pc since last summer, leaving many household budgets increasingly stretched.
The new rates would cut customer bills an average of 20 percent, up from the previously announced 19.4 percent.
Cellular companies also agreed to separate service charges from taxes in customer bills.
These costs are considered nonbypassable and are added to all customer bills.
The integrity of customer bills could also be compromised, he said.
The lower prices could show up in customer bills by this summer.
The change will lower customer bills, which are now the highest in the continental United States.
The group said the money would have been better used to reduce customer bills.
Edocs provides software that helps corporations put customer bills online.
"If these projects actually went through, customer bills between 1994 and 2019 would be $150 million higher," he said.