App method, when in wireless mode ok, when in GSM Network freeze
[NSTimer scheduledTimerWithTimeInterval:(25) target:self selector:@selector(getInitialData:) userInfo:nil repeats:YES];

- (void) getInitialData:(id)obj{
NSAutoreleasePool *initpool=[[NSAutoreleasePool alloc]init];
//Check if the simulation mode is set
if ([getSimulationMode getMode]) {
    //Load simulation-values into the plist´s
    [myStockView.loadindicator stopAnimating];
    [Koehl_WMSAppDelegate loadSimulationData];
}else{
    [myStockView.loadindicator startAnimating];
    //Variables to check internet connection
    Reachability* reachability = [Reachability reachabilityWithHostName:@"www.google.de"];
    NetworkStatus remoteHostStatus = [reachability currentReachabilityStatus];

    if(remoteHostStatus == NotReachable) {
        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Error" message:@"No internet connection available!"
                                                       delegate:nil cancelButtonTitle:@"Dismiss" otherButtonTitles:nil ];
        [alert show];
        [alert release];
    }
    else {
        [loadStockData loadData];
        [loadArticleData loadData];
        [loadAlarmData loadData];
        [loadProductData loadData];
    }
    [myStockView.loadindicator stopAnimating];

}
//After all new Data got loaded, the views can be refreshed

[myStockView loadStockData];
[initpool release];

 }

...
XMLRPCResponse *userInfoResponse=[XMLRPCConnection sendSynchronousXMLRPCRequest:request error:error2];
...