About Online Training Onsite Training Self-Study Training Partner Certificate Search Other lessons in the YSCT Course: Pre-lesson 1:S-Series VoIP PBX Quick Start Guide10:50 Pre-lesson 2:S-Series VoIP PBX Introduction02:19 Pre-lesson 3:S-Series VoIP PBX Hardware Installation10:05 Lesson 1:S-Series VoIP PBX Basic Configuration1:02:14 Lesson 2:S-Series VoIP PBX Call Control Settings43:57 Lesson 3:S-Series VoIP PBX Basic Management51:00 Lesson 4:S-Series VoIP PBX Basic Maintenance35:14 Yeastar S-Series VoIP PBX Introduction Download study guideTake the test This video is suitable for S-Series VoIP PBX, including S20, S50, S100 and S300. In this video, we will introduce: S-Series Lineup S-Series Features S-Series Modular Design S-Series Web Interface GET CERTIFIED NOW