public static string[] FilteringCallers(IEnumerable <IPhone> phones)
{
IEnumerable <PhoneCall> allCalls = new PhoneCall[0];
allCalls = phones.Select(p => p.UseComponent <Memory>().Get <PhoneCall>()).SelectMany(p => p);
var callers = allCalls.Select(c => c.From).Distinct();
return(new List <string>()
{
FILTER_ALL_VALUES
}.Concat(callers).ToArray());
}