Get the data type, not display type, of a field

I need to access the data types of the fields in an object in order to identify each phone, fax, email, and mail field in an object. I've done this from web services with the DescribeSObject call but the Apex DescribeFieldResult.getType method only return the display typeof the field, not the actual data type. For example, fields that display a Data Type of Fax like in the image below have a display type of Phone according the getType call. I need something that returns fax for fax fields, mail for mail fields, etc. like the DescribeSObject web service call. Does that exist in Apex?

Field Information

January 5, 2010
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Type Field Value	What the Field Object Contains
anytype	Any value of the following types: String, Picklist, Boolean, Integer, Double, Percent, ID, Date,DateTime, URL, or Email.
base64	Base64-encoded arbitrary binary data (of type base64Binary)
Boolean	Boolean (true or false) values
Combobox	Comboboxes, which provide a set of enumerated values and allow the user to specify a value not in the list
Currency	Currency values
Date	Date values
DateTime	DateTime values
Double	Double values
Email	Email addresses
EncryptedString	Encrypted string
ID	Primary key field for an object
Integer	Integer values
MultiPicklist	Multi-select picklists, which provide a set of enumerated values from which multiple values can be selected
Percent	Percent values
Phone	Phone numbers. Values can include alphabetic characters. Client applications are responsible for phone number formatting.
Picklist	Single-select picklists, which provide a set of enumerated values from which only one value can be selected
Reference	Cross-references to a different object, analogous to a foreign key field
String	String values
TextArea	String values that are displayed as multiline text fields
Time	Time values
URL	URL values that are displayed as hyperlinks

jkucera
There isn't an email, fax, or phone datatype in Schema.DisplayType and I haven't figured out how to access them in Apex yet. I believe these are just masked String types.

Here are the ones you can use out of the box:

Type Field Value What the Field Object Contains
anytype Any value of the following types: String, Picklist, Boolean, Integer, Double, Percent, ID, Date,DateTime, URL, or Email.
base64 Base64-encoded arbitrary binary data (of type base64Binary)
Boolean Boolean (true or false) values
Combobox Comboboxes, which provide a set of enumerated values and allow the user to specify a value not in the list
Currency Currency values
Date Date values
DateTime DateTime values
Double Double values
Email Email addresses
EncryptedString Encrypted string
ID Primary key field for an object
Integer Integer values
MultiPicklist Multi-select picklists, which provide a set of enumerated values from which multiple values can be selected
Percent Percent values
Phone Phone numbers. Values can include alphabetic characters. Client applications are responsible for phone number formatting.
Picklist Single-select picklists, which provide a set of enumerated values from which only one value can be selected
Reference Cross-references to a different object, analogous to a foreign key field
String String values
TextArea String values that are displayed as multiline text fields
Time Time values
URL URL values that are displayed as hyperlinks

January 5, 2010
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