Seems to work fine for telcos in the US. You can change retroactively change the price by adding "regulatory recovery fees." If your service is genuinely miscon

Seems to work fine for telcos in the US. You can change retroactively change the price by adding "regulatory recovery fees." If your service is genuinely misconfigured, you will often get the standard line "service is not guaranteed" until(if) you get to a Level III Support Engineer. And in the worst, worst case, you get thrown into arbitration which is already skewed in the telco's favor.