Installation guide

MyPBX U300 Administrator's Guide
www.yeastar.com Page148
3.3 Security Configuration for remote extensions
If remote registration isn‟t required, please disable it.
PBXExtensionsFXS/VoIP ExtensionsVoIP ExtensionsGeneralVoIP
Settings
Figure G-9 Register Remotely
3.4 Set a robust password and enable IP restriction
for extensions
1) Set a new extension password at a higher security level, e.g. AjK5Up1G.
PBXExtensionsFXS/VoIP ExtensionsVoIP ExtensionsGeneralPassword
Figure G-10 Modify Extension Password
2) Enable IP restriction and enter the permitted “IP address/Subnet mask”, e.g.
192.168.5.136.