Udemy – VoIP Telephony – Quality of Service Design
English | Tutorial | Size: 443.82 MB
telephony
Udemy – VoIP Telephony Fundamentals
Udemy – VoIP Telephony Fundamentals
English | Tutorial | Size: 797.37 MB
Prepare for your VoIP project like a pro
In the last year I have thought this course twice to companies who were starting a new VoIP project.