Other lessons in the Yeastar Certified Technician Course:

Lesson 4: S-Series VoIP PBX Basic Maintenance

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In this lesson, you will learn how to maintain S-Series VoIP PBX in the following aspects:

External Storage
Backup and Restore
Firmware Upgrade
Log on S-PBX FTP
Ethernet Capture Tool
DAHDI Monitor Tool
Features Code

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