SMPP Version Information

This guide is designed for developers who want to use and integrate SMS over SMPP into their corporate information system. It describes the basic PDUs implemented in the Ozeki SMPP client.

SMPP Version Supported by Ozeki SMS is: SMPP v3.4

The SMPP PDUs that are implemented are:

Connecting to the SMPP Server

  • BIND_TRANSCEIVER / BIND_TRANSCEIVER_RESP

  • BIND_TRANSMITTER / BIND_TRANSMITTER_RESP
    (was implemented for version v3.3, currently not used)
  • BIND_RECEIVER / BIND_RECEIVER_RESP
    (was implemented for version v3.3, currently not used)

Checking link activity

  • ENQUIRE_LINK / ENQUIRE_LINK_RESP
    (Ozeki SMS checks link activity in every 300 seconds, if the link is not active, it tries to reconnect to the server)

Closing the connection to the SMPP Server

  • UNBIND / UNBIND_RESP
Sending and receiving SMS messages
  • SUBMIT_SM / SUBMIT_SM_RESP
  • DELIVER_SM / DELIVER_SM_RESP