public static bool TryParse(string input, out PhoneNumber phoneNumber) { phoneNumber = new PhoneNumber(null, null, null); return false; }
protected bool Equals(PhoneNumber other) { return string.Equals(_countryCode, other._countryCode) && string.Equals(_carrierCode, other._carrierCode) && string.Equals(_abonentNumber, other._abonentNumber); }