7.1 Digi may at any time at its sole discretion set a Credit Limit for credit control purposes without the necessity of informing the Customer which shall operate as a threshold allowed for the total charges outstanding inclusive of unbilled charges. This Credit Limit, shall be reviewed from time to time at the sole discretion of Digi. The Customer may make an application for a review of this Credit Limit, but the discretion to allow any changes to the Credit Limit shall be at the sole discretion of Digi. When the Credit Limit is reached, Digi reserves the sole right to automatically bar the Customer's use of the Service.
7.2 Digi is not obligated in any way whatsoever to ensure that the Credit Limit is not exceeded by the Customer and any failure to do so shall not operate as a waiver of any of the rights of Digi hereunder.
7.3 Notwithstanding anything contrary herein, Digi may also without any notice, written or otherwise, impose Call Alerts, reminding the Customer that there are payments overdue or payable or will be payable. Failure to adhere to the Call Alert may result in the Services being suspended or terminated without any notice. Notwithstanding the above, Digi shall not be under any duty to impose a Call Alert and/or ensure its receipt by the Customer, and any failure to do the same shall not operate as a waiver of any of the rights of Digi hereunder.