The Short Message Peer-to-Peer (SMPP) in telecommunications is an open, industry standard protocol designed to provide a flexible data communication interface for the transfer of short message data between External Short Messaging Entities (ESME), Routing Entities (RE) and Message Centres. The oserl library provides an Erlang framework to interface with SMPP entities. WWW: https://github.com/iamaleksey/oserl