Termékek azaz 4034 online vásárlás (1)

Asterisk VoIP adminisztráció alap szinten

Asterisk VoIP adminisztráció alap szinten

In this course we will make you an expert in Asterisk IP telephony — a flexible tool with free open source. If you know how to work with Asterisk, the cost of your services in the labor market is higher than that of a regular administrator.