Specifications

WELL mPBX-U110R Administrator's Guide
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If remote registration isn’t required, please disable it.
PBXExtensionsFXS/VoIP ExtensionsVoIP ExtensionsGeneralVoIP
Settings
Figure G-9
3.4 Set an enhanced password and enable IP
restriction for extensions
1) Set a new extension password at the higher security level, e.g. AjK5Up1G.
PBXExtensionsFXS/VoIP ExtensionsVoIP ExtensionsGeneralPassword
Figure G-10
2) Enable IP restriction and enter the permitted “IP address/Subnet mask”, e.g.
192.168.5.136.