/// <summary> Called to covnert the short message into a string </summary>
/// <param name="defaultEncoding"></param>
/// <param name="dataCoding"></param>
/// <returns> string </returns>
public string ShortMessageText(DataCodings defaultEncoding, DataCodings dataCoding)
{
SmppBuffer smppBuff = new SmppBuffer(defaultEncoding, ShortMessage);
return smppBuff.ExtractEncodedString(dataCoding);
}