code: public void sendMessage(ISUPMessage msg, int dpc) throws ParameterException, IOException {
          if (!msg.hasAllMandatoryParameters()) {
              throw new ParameterException("Message does not have all required parameters!");
          }
          sendOnCircuit(getCircuit(msg, dpc), msg);
      }
docs: /*
  (non-Javadoc)
  
  @see org.restcomm.protocols.ss7.isup.ISUPProvider#sendMessage(org.mobicents .protocols.ss7.isup.message.ISUPMessage)