Vibes supports sending short messages using Short Message Peer-to-Peer (SMPP) protocol version 3.4. SMPP is an open message-transfer protocol that enables short message entities (SMEs) 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 (ESMEs).
The exchange of messages between an ESME and SMSC via SMPP may be categorized under three distinct groups of transactions as follows:
- messages sent from the ESME (Transmitter) to the SMSC
- messages sent from the SMSC to the ESME (Receiver)
- messages sent from the ESME (Transceiver) to the SMSC and messages sent from the SMSC to the ESME (Transceiver)
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