Help:IPA

The foreign languages that are used to illustrate additional sounds are primarily the ones most likely to be familiar to English speakers: French, Standard German and Spanish.

For symbols not covered by those, recourse is taken to the populous languages Standard Chinese, Hindustani, Arabic and Russian.

Free fonts with good IPA support include Gentium Plus (serif) and Andika (sans-serif).

(see also) Two types of brackets are commonly used to enclose transcriptions in the IPA: A fourth kind of bracket is occasionally seen: Lastly, IPA typeface support is increasing, and is now included in several typefaces such as the Times New Roman versions that come with various recent computer operating systems.

Modern Web browsers generally do not need any configuration to display these symbols, provided that a typeface capable of doing so is available to the operating system.