Phonetic Alphabet (Spelling Alphabet)

It is very useful for spelling words and names especially over the phone.

Phonetic Symbols

These are usually inside slashes, e.g. /i:/.
' = Stress follows, e.g. about /əˈbaʊt/ ; a is unstressed, and bout is stressed.

Link for phonetic transcription:
http://www.photransedit.com/online/text2phonetics.aspx