What is SMPP? The Protocol Behind High-Throughput Bulk SMS Messaging
The video an extensive overview of SMPP (Short Message Peer-to-Peer), an application layer protocol critical for exchanging SMS messages between external applications (ESME) and carrier message centers (SMSC) over TCP/IP networks. The video explains the binary, session-based architecture and the typical communication flow diagram, detailing the sequential use of Protocol Data Units (PDUs) for actions like binding (authentication), sending a message (submit_sm), maintaining the connection (enquire_link), and receiving Delivery Reports (DLRs).