One of the most effective ways to do this is through SMS messaging. However, sending bulk SMS efficiently requires a powerful and scalable solution. This is where an SMPP Gateway Provider becomes essential. Short Message Peer-to-Peer Protocol (SMPP) is an open, industry-standard protocol used by the telecommunications industry to exchange SMS messages between Short Message Service ... https://www.itsolution4india.com/bulk-sms/smpp-gateway.php