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.Vanilla / Cempilli supports the industry standard SMPP V3.4 protocol.
SMPP is a direct connection to carriers and provides instant delivery
High throughput ( up to 200 msgs/second )
Usage of Short Code
SMPP offers status delivery reports
Must be authenticated by IP address