PhoneNumberType.cs

namespace PhoneNumbers
{
    // Type of phone numbers.
    public enum PhoneNumberType
    {
        FIXED_LINE,
        MOBILE,
        // In some regions (e.g. the USA), it is impossible to distinguish between fixed-line and
        // mobile numbers by looking at the phone number itself.
        FIXED_LINE_OR_MOBILE,
        // Freephone lines
        TOLL_FREE,
        PREMIUM_RATE,
        // The cost of this call is shared between the caller and the recipient, and is hence typically
        // less than PREMIUM_RATE calls. See // http://en.wikipedia.org/wiki/Shared_Cost_Service for
        // more information.
        SHARED_COST,
        // Voice over IP numbers. This includes TSoIP (Telephony Service over IP).
        VOIP,
        // A personal number is associated with a particular person, and may be routed to either a
        // MOBILE or FIXED_LINE number. Some more information can be found here:
        // http://en.wikipedia.org/wiki/Personal_Numbers
        PERSONAL_NUMBER,
        PAGER,
        // Used for "Universal Access Numbers" or "Company Numbers". They may be further routed to
        // specific offices, but allow one number to be used for a company.
        UAN,
        // Used for "Voice Mail Access Numbers".
        VOICEMAIL,
        // A phone number is of type UNKNOWN when it does not fit any of the known patterns for a
        // specific region.
        UNKNOWN
    }
}