Bardestani Phonological system includes 23 consonants and 9 vowels (6 simple Vowels and 3 diphthongs). It has three syllables which have the CV (C)(C) forms. voiced uvular stop /G/ (of standard Persian) , appears as/k/,/x/, and /γ/ sounds. The most important phonological processes are: A. Lenition: /f,v,b/> [w]; /d/> /δ/; /x/> /h/ B. Fortion: /w/> /b/; /f/> /p/ in initial position of some Pahlavi words C. Insertion of /t/ after final /š/ D. /r/>/l/ E. Deletion of final /n/ and /h/ F. Vowel alternations: /u/>/i/; /ā/> /u/; /a/> /e/; /a, e/>ā G. Change of syllables /āb/, /ab/, /af/ into /ow/ as the result of two phonological processes of lenition and assimilation H. Resyllablification of human proper.