DLT – Specification for SMPP InterfaceVersion 1.oneAlter RecordThis table demonstrates a file of sizeable improvements on the doc.Model Day Description of Alterone.0 26.08.2020 First SMPP document published with more TLVparametersone.one 12.10.2020 Added DLT mistake codes included with description2 | P a g eTable of Contents:1. Introduction