An SMS service provider generally offers the SMS gateway that may be employed by its subscribers to send bulk SMS to their customers. Alternatively, an SMS reseller is somebody who buys bulk SMS from wireless carriers so that every SMS has a low cost. They will then sell these messages at a bigger cost to customers. Thus, this is not a mobile network operator, but a business unit that offers SMS services. There are a number of factors to think about when choosing Java SMS API provider. 1. The cost of service maybe the most significant factor. In general, SMS messaging and SMS API services may be separated into two categories on the basis of how customers are anticipated to pay. 2. It is significant to know even if the SMS API provider has any buying requirements. For instance, some services may need you to purchase a minimum number of credits each month. 3. SMS gateway providers make it obligatory for customers to finish the credit within a set time period. After this period, you...