private void AddPhoneLink()
        {
            if (string.IsNullOrEmpty(PhoneNumber) || _selectedCar == null)
            {
                return;
            }
            var link = PhonesCarsList.FirstOrDefault(o => o.Did.Equals(_selectedCar.ID));

            if (link == null)
            {
                link = new PhoneCarsLink
                {
                    Did           = _selectedCar.ID,
                    PhoneNumber   = PhoneNumber,
                    SpeedWarning  = SpeedWarning,
                    IsZoneControl = IsZoneControl
                };
                PhonesCarsList.Add(link);
                if (!ListPhone.Contains(PhoneNumber))
                {
                    ListPhone.Add(PhoneNumber);
                }
            }
            else
            {
                link.PhoneNumber   = PhoneNumber;
                link.IsZoneControl = IsZoneControl;
                link.SpeedWarning  = SpeedWarning;
            }
            Save(link);
            var reuse = SelectedPhone == PhoneNumber;

            SelectedPhone = PhoneNumber;
            if (reuse)
            {
                SelectCar(PhoneNumber);
            }
        }
 private void Save(PhoneCarsLink link)
 {
     //TODO Сохранить привязку в базе
 }