What is the upgrade fee for the pre-paid option?
It is the fee to purchase additional pre-paid channels. For example, at the signing of the agreement, a company may purchase 200,000 channels of G.729 for $217,000. After a certain period of time, they may sell more than 200,000 channels of G.729 and anticipate selling 300,000 additional channels, for a total cumulative number of 500,000 channels. The company will then pay up front the additional amount of $293,000, which corresponds to the Maximum Number of Channels Sold (200,000 to 500,000) in the Upgrade Fees for Pre-Paid Option table.
