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