Yeastar Certified Expert

This certification course is intended for specialists who need more in-depth knowledge of troubleshooting tools, techniques and customization, which is based on the previous 2 levels of certification courses. In this course, you will gain necessary industrial background information about telephony interfaces, protocols, and etc., and learn how to do trouble shooting and tackle complicated issues.

YSCE Yeastar Certified Expert

This certification course includes two independent course series – YSCE (P-Series) and YSCE (S-Series), which are designed respectively for the learning of Yeastar P-Series PBX System and Yeastar S-Series VoIP PBX. By passing either course series, you will be certified as Yeastar Certified Expert.

YSCE (P-Series) Course Outline

  • Part 1 Security & Troubleshooting 1
  • Part 2 Security & Troubleshooting 2

Part 1 Security & Troubleshooting 1

  • Analog Signals Introduction & Configurations
  • DTMF Introduction & Issue Troubleshooting
  • SIP Extension Registration & Issue Troubleshooting
  • SIP Calls Related Settings & Issue Troubleshooting
  • SIP Troubleshooting Commands
    – PJSIP Endpoints
    – General Debug Commands
    – Debug Commands for SIP Related Issues
    – Commands Practice

Part 2 Security & Troubleshooting 2

  • GSM Trunk Troubleshooting
    – Troubleshooting Commands
    – GSM Trunks Issues Troubleshooting
  • Linux Troubleshooting Commands
    – Network Troubleshooting Commands
    – System Troubleshooting Commands
  • Troubleshooting Directory and Files
    – System Directory and Files
    – Asterisk Related Directory and Configuration Files

YSCE (S-Series) Course Outline

  • Part 1 Background Knowledge
  • Part 2 Trouble shooting

Part 1 Background Knowledge

  • Command Line Interface
  • Analog telephony
  • BRI/PRI Telephony
  • Mobile Telephony
  • SIP
  • SDP
  • RTP/SRTP Protocol
  • DTMF
  • SMS/SSMTP Debug

Part 2 Trouble shooting

  • Hardware Faults
  • Web GUI Faults
  • Extensions Issues
  • SIP Trunk Issues
  • PSTN Trunk Issues
  • ISDN Trunk Issues
  • GSM/3G Trunk Issues
  • SMS/USSD Issues
  • Voicemail Issues
  • Others

Get Trained with Diverse Training Platforms

Yeastar training services are organized in flexible formats. You could choose self-paced online video training, highly-interactive online webinar, or instructor-led classroom training as you prefer. Onsite classroom trainings at Yeastar or our partner’s site are both offered.

Online Webinar


Reach and interact with Yeastar training experts at home, office, or anywhere at your convenience. Check the schedule, learn, and get certified.

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Onsite Training

Onsite Training

Get the most with highly interactive traditional in-class hand-on training. Learn with other attendees, Yeastar training experts or our authorized training partners.

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Video Self-training

Video Self-training

Train yourself with completely free, self-paced, well-crafted video tutorials. Take the course you need and advance your career anywhere anytime.

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YSCE Certification Exam

  • 30 choice questions
  • 60 mins time limit
  • 80% for passing score
  • 2 chances in total (Need to retake the course if you fail twice.)

*You will be certified as Yeastar Certified Expert after you have completed the training course and pass the exam. This certificate is valid for 3 years and can be renewed by retaking the exam.

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