If you dont see correct IPA symbols, you have not installed the right fonts yet.
You can download fonts for free this fonts from the Summer Institute of Linguistic.
A part of font are not in unicode. They are legacy encoded. A
recoded version you can create with a little FontForge script.
Special thanx to Prof. Dr. Elmar Termes from the Phonetic Institut at the University of Hamburg/Germany. He is a very good teacher.