Greeting From Powers Text Services. In Digital Marketing Bulk SMS is a Super-Fast, cost-effective and reliable source to send a text message for Advertisements, Services related intimation to your valuable customers. As we are one of the world's leading bulk SMS providers, our bulk SMS solutions are used to send high volumes of messages which help you to connect, interact with customers, suppliers, employees and partners all over the world. Bulk SMS is sending an SMS/MMS message to multiple end-users simultaneously. Bulk SMS is typically a 'broadcast' or “one-to-many” type of message and differs from a Group Message, which is considered “many-to-many.