Discrete and Continuous Models and Applied Computational ScienceDiscrete and Continuous Models and Applied Computational Science2658-46702658-7149Peoples' Friendship University of Russia named after Patrice Lumumba (RUDN University)8317Research ArticlePolling Model of a SIP Server with Exhaustive and Gated Service DisciplinesGaidamakaY VTelecommunication System Departmentygaidamaka@sci.pfu.edu.ruZaripovaE RTelecommunication System Departmentezarip@sci.pfu.edu.ruPeoples’ Friendship University of Russia150120131525708092016Copyright © 2013,2013This paper investigates characteristics of the polling cycling models with exhaustive and gated service disciplines. We have derived mean queuing delays for suggested models and evaluated results.polling systemSIP-serverexhaustive service disciplinegated service disciplinemathematical modelсистема поллингаSIP-серверисчерпывающая дисциплина обслуживанияшлюзовая дисциплина обслуживанияматематическая модель