> The below fields are not imported
> X-CHILDREN:Barnaby
> X-NICKNAME:Mathias
>
> This is because a check fails in QVersitContactImporterPrivate
> if (property.valueType() != QVersitProperty::ListType
> || variant.type() != QVariant::StringList)
> return false;
>
> There is no handling for
> X-ASSISTANT-TEL:0342303777

This is because the format the reader produces is different to the format the importer expects. There may be other cases of this mismatch.