private void deleteForCall(Parameter callID, MgcpRequest request) {
      // getting call
      MgcpCall call = transaction().getCall(callID.getValue().hexToInteger(), false);
      if (call == null) {
        throw new MgcpCommandException(MgcpResponseCode.INCORRECT_CALL_ID, UNKNOWN_CALL_IDENTIFIER);
      }

      call.deleteConnections();
    }