public static void AddCountriesToCallingPlan(CallingPlanDto pCallingPlan, CountryDto[] pSelectedCountries)
 {
     using (var _db = new Rbr_Db()) {
         using (var _tx = new Transaction(_db, pCallingPlan, pSelectedCountries)) {
             CallingPlanManager.AddCountriesToCallingPlan(_db, pCallingPlan, pSelectedCountries);
             _tx.Commit();
         }
     }
 }