code: public int encodeBody(ByteArrayOutputStream bos) {
  
          int c = this.numberingPlanIndicator << 4;
          c |= (this.numberIncompleteIndicator << 7);
          c |= (this.addressRepresentationRestrictedIndicator << 2);
          c |= (this.screeningIndicator);
          bos.write(c);
          return 1;
      }
docs: /*
  (non-Javadoc)
  
  @seeorg.mobicents.isup.parameters.AbstractNumber#encodeBody(java.io. ByteArrayOutputStream)