A great advantage of using G Square Bulk SMS Solution is that its gateway automatically filters the mobile and landline numbers from the NDNC (National Do Not Call) registry. This feature enables you to only send bulk messages to people who are not on the 'Do Not Disturb', 'Do Not Disturb Clients/Customers' list and will let you promote and market your company ethically which will enhance your company's reputation in the market. The credit debit will be credit back to your account maximum in 24Hrs used for DNC numbers.