NATO phonetic alphabet by those who exchange voice messages by radio or telephone, regardless of language differences or the quality of the communication channel. The 26 code words in the NATO phonetic alphabet are assigned to the 26 letters of the English alphabet in alphabetical order as follows: , Bravo, Charlie, Delta, Echo, Foxtrot, Golf, Hotel, India, , Kilo, Lima, Mike, November, Oscar, Papa, Quebec, Romeo, Sierra, Tango, Uniform, Victor, Whiskey, X-ray, Yankee, Zulu. Strict adherence to the prescribed spelling words is required in order to avoid the problems of confusion that the spelling alphabet is designed to overcome. As noted in a
Obsolete and nonstandard symbols in the International Phonetic Alphabet , extra stress, strongly aspirated , and extra-rhotic ), nor superscripting for a lesser degree of a feature ( slightly prenasalized , slightly affricated , and epenthetic schwa). The asterisk, as in for the fortis stop of Korean, is the convention the IPA uses when it has no symbol for a phone or feature. For symbols and values which were discarded by 1932, see History of the International Phonetic Alphabet. The table below shows examples of expansion in the meaning of IPA symbols in broad transcription. Obsolete and nonstandard symbols in the International Phonetic Alphabet The International Phonetic Alphabet (IPA)