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);
}