What is the SMPP protocol and how does it work?
I've not even seen it yet and have to start with introduction onward.
SMPP is a low-level binary Internet protocol.
The primary use of SMPP is to send and receive medium-to-high volumes of SMS texts.
SMPP uses a standard Internet connection to connect to an SMPP provider, to do away with or compliment the purchase of a GSM modem or a SIM card.
SMPP offers the following benefits over a GSM modem:
Software:
For the record: I'm a programmer at ActiveXperts, actively involved in SMPP and SMS related developments.