Communication module fails to initialize on Android

Question

I've been working on integrating WWise into an Android Java app via JNI, following the Integration Demo Sample project. My current initialization function is as follows:

    // Memory Manager
    AkMemSettings memSettings;
    memSettings.uMaxNumPools = 20;
    AK::MemoryMgr::Init(&memSettings); // AK_Success

    // Stream Manager
    AkStreamMgrSettings stmSettings;
    AK::StreamMgr::GetDefaultSettings(stmSettings);
    AK::StreamMgr::Create(stmSettings);

    // Streaming device (pLowLevelIO points to a CAkFilePackageLowLevelIOBlocking object)
    AkDeviceSettings deviceSettings;
    AK::StreamMgr::GetDefaultDeviceSettings(deviceSettings);
    pLowLevelIO->Init(deviceSettings); // AK_Success
    pLowLevelIO->SetBasePath( "soundbanks" );

    // Sound Engine
    AK::SoundEngine::Init(NULL, NULL); // AK_Success

    // Music Engine
    AkMusicSettings musicSettings;
    AK::MusicEngine::GetDefaultInitSettings(musicSettings);
    AK::MusicEngine::Init(&musicSettings);

    // Communication device
    AkCommSettings commSettings;
    AK::Comm::GetDefaultInitSettings(commSettings);
    AK::Comm::Init(commSettings); // AK_Fail

According to the documentation, AK::Comm::Init returns: 

    AK_Success when everything went well
    AK_InvalidParameter if one of the given settings is invalid
    AK_InsufficientMemory when given poolsize is too small
    AK_Fail for other errors  <--------

Does anybody have any clue of why AK::Comm::Init returns AK_Fail?
 

Help is much appreciated!
Thanks.

EDIT AK::Comm::Init prints this error:

    I/AKDEBUG: AK::Comm -> DiscoveryChannel::Init() -> m_socket.Bind() failed, requested port == 24024 (AkCommSettings::ports.uDiscoveryBroadcast)