SUP synchronization problem through relay server

Hi.

I have been trying to connect to SUP server through a relay server. I've followed developer guide (Android object api), I've read 

Native Android-MBO Non-DOE based approach through Relay Server but still couldn't achieve to connect. 

I am getting this error: (Line 23)

com.ianywhere.ultralitejni12.implementation.JniException: UltraLiteJ Error[-1305]: MobiLink communication error -- code: 86, parameter: 405, system code: 0Details:

02-27 15:52:14.557: E/Otonom3GTest(15843): StreamErrorCode = 86

02-27 15:52:14.557: E/Otonom3GTest(15843): StreamErrorMessage = 405

If I uncomment line 18 and set Url_Suffix then I got similar error with status code 404.

Without the relay server I can connect and synchronize data but could not synchronize through relay server. What is wrong?

SUP version: 2.1.3

Android: 4.0.4

No changes in Otonom3GTestDB.java

Relay server:

 ConnectionProperties connProps = app.getConnectionProperties();
connProps.setLoginCredentials(new LoginCredentials(USERNAME, PASSWORD));
connProps.setServerName(HOST);
connProps.setPortNumber(PORT);
connProps.setNetworkProtocol("HTTP");
connProps.setSecurityConfiguration("admin");
connProps.setFarmId(FARM_ID_MBS);

 if (app.getRegistrationStatus() != RegistrationStatus.REGISTERED) {
 app.registerApplication(TIMEOUT);
} else {
 app.startConnection(TIMEOUT);
}
 
ConnectionProfile cp = Otonom3GTestDB.getSynchronizationProfile();
cp.setServerName(HOST);
cp.setPortNumber(PORT);
//cp.getStreamParams().setUrl_Suffix("/cli/iarelayserver/farmAstSUPR");
cp.setDomainName("default");

 if (!Otonom3GTestDB.isSynchronized("default")) {
 Otonom3GTestDB.disableChangeLog();
 Otonom3GTestDB.synchronize("default"); 
 
 SynchronizationGroup sg = Otonom3GTestDB.getSynchronizationGroup("default");
 sg.setEnableSIS(true);
 sg.save();
} else {
 Otonom3GTestDB.synchronize("default");
}

 Otonom3GTestDB.openConnection();