Chezhimbayeva K, Konyrova M, Kumyzbayeva S, Kadylbekkyzy E. Quality assessment of the contact center while implementation the IP IVR system by using teletraffic theory. EEJET [Internet]. 2021Dec.29 [cited 2024Jul.23];6(3 (114):64-71. Available from: https://journals.uran.ua/eejet/article/view/244976