GRANDSTREAM UCM63xx ស៊េរី IP-PBX មគ្គុទ្ទេសក៍អ្នកប្រើប្រាស់ការផ្ទៀងផ្ទាត់ភាពត្រឹមត្រូវច្រើនកត្តា
GRANDSTREAM UCM63xx series IP-PBX Multi-Factor Authentication Multi-factor Authentication Guide INTRODUCTION The IP-PBX Multi-Factor Authentication (MFA) feature adds a simple and secure method to protect the system, in addition to requiring a username and password for login. If enabled, the IP-PBX…