MNCC Internal Configuration This node allows to configure the default codecs for the internal call control handling. SMPP Configuration This node allows to configure the SMPP interface for interfacing with external SMS applications. This section contains generic/common SMPP related configuration, and no per-ESME specific parameters. ESME Configuration This node allows to configure one particular SMPP ESME, which is an External SMS Entity such as a SMS based application server. You can define any number of ESME within the SMPP node of the OsmoNITB VTY.