是否符合高度监管的行业的vonage？
是的！看看pc蛋蛋软件下载官方网站的常见问题解答页面，看看他们的法规均值列表。
advanced 3cx tech support package for hosted platforms is not included in the base price, and can be purchased as an add-on feature for $75.00. advanced support assists with configuring supported ip phones and sip trunks. basic customer support is available 24/5.