MyPBX Standard V6/V7 Administrator's Guide
www.yeastar.com Page 148
A strong password needs to be configured here for all accounts. Especially
account ―admin‖ and ―user‖.
1.2 Extension
Hackers are always sending packages to PBX to register extension before dialing
out. Extension‘s security is very important for users.
1.2.1 Change the default SIP Port
PBXBasic settingsSIP SettingsGeneralUDP Port
Figure 1-3
We recommend changing this to another available port, for example: 5080.