4. SMS (Short Message Service) Message exchange between mobile stations SMSC Message for B Message for B Message for A Message for A Mobile station A Mobile station B
5. SMS (Short Message Service) Message exchange between ESME and mobile stations SMSC Other Entity Mobile Stations Messages Messages Protocol?
10. SMPP: introduction The Short Message Peer to Peer (SMPP) protocol is an open, industry standard protocol designed to provide a flexible data communications interface for transfer of short message data between a Message Center .
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14. Protocol Overview SMSC Other Entity Mobile Stations Messages Messages Protocol? SMSC ESME SME Messages Messages SMPP
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16. Protocol Overview: SMPP Short Message Peer to Peer (SMPP) protocol is an open message-transfer protocol that enables short message entities ( SME s) outside the mobile network to interface with an SMSC . Non-mobile entities that submit messages to, or receive messages from an SMSC are known as External Short Message Entities ( ESME s).
17. Protocol Overview SMSC ESME SME Messages Messages SMPP Mobile Network TCP/IP or X.25 network connection
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19. Protocol Overview Every SMPP operation consist of a request and associated response (but some have exception). ESME SMSC Request Response