In this article we will discuss SMPP, will make brief discussion on SMPP, last article we discuss about SNMP.

The Short Message Peer-to-Peer (SMPP) is a protocol used by the telecommunications industry for exchanging SMS messages between Short Message Service Centers (SMSC) and/or External Short Messaging Entities (ESME). The protocol is a level-7 TCP/IP protocol, which allows fast delivery of SMS messages.

Short Message Peer-to-Peer in the telecommunications industry is an open, industry standard protocol designed to provide a flexible data communication interface for the transfer of short message data between External Short Messaging Entities, Routing Entities and Message Centres.

SMPP is an interface between SMSC(SMPP server hosted) and ESME(SMPP client- WEB server or any other vendor application that sends messages, Which needs to be deliver to any mobile subscribers.)

Basically you create a connection to the smpp server using TCP sockets. Then you send packets to login to the smsc server and other packets to send messages. The packets are called PDUs or Protocol Data Units. Each PDU has a defined set of values that can be there.

P2P stands for Person-to-Person messaging. In simple terms, this is when two or more people communicate over text messaging. For example, when you send a text message from your phone to another person’s phone, that’s P2P. This can also include traffic that goes through an API to connect two people.


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