ASTERISK/VOIP SENIOR | CALLCENTER | FULLSTACK | NODEJS | JAVASCRIPT | AJAX | PHP | E-COMMERCE | MAGENTO | SHELLSCRIPT | C | LUA | IOT | DEVOPS CLOUD | VIRTUALIZAÇÃO | DOCKER | KUBERNETES | INFRASTRUTURA
https://www.jeffgeerling.com/ -> https://www.youtube.com/c/JeffGeerling
http://escoladovoip.com.br/ -> https://www.youtube.com/c/GianNicodemus
http://www.asterisklibre.org/ -> https://www.youtube.com/c/Funda%C3%A7%C3%A3oAsteriskLibrefundacaoasterisklibre