Feature Key SynchronizationDescription Selects whether to synchronize the feature key settings, configured viathe Web user interface or phone user interface, between the unit andthe portal server that is provided by your phone system dealer.Note• Even if you select [Yes], this feature may not function properlyif your phone system does not support it. Before you configureFeature Key Synchronization, consult your phone systemdealer.Value Range • Yes• NoDefault Value NoConfiguration File Reference FEATURE_KEY_SYNCHRO_ENABLE (Page 292)Conference Server URIDescription Specifies the Uniform Resource Identifier string for a conference server,which consists of "sip:", a user part, the "@" symbol, and a host part,for example, "sip:conference@example.com".Note• In a SIP URI, the user part ("conference" in the example above)can contain up to 63 characters, and the host part("example.com" in the example above) can contain up to 127characters.Value Range Max. 195 charactersDefault Value Not stored.Configuration File Reference CONFERENCE_SERVER_URI (Page 289)Resource List URIDescription Specifies the Uniform Resource Identifier string for the resource list,which consists of "sip:", a user part, the "@" symbol, and a host part,for example, "sip:user@example.com".For details, refer to RFC 4662.Note• In a SIP URI, the user part ("user" in the example above) cancontain up to 63 characters, and the host part ("example.com"in the example above) can contain up to 127 characters.• When the BLF feature is assigned to a flexible button, it may benecessary to specify this parameter depending on your phonesystem. For details about flexible buttons, see 6.3 FlexibleButtons.Value Range Max. 195 characters (except ", &, ', :, ;, <, >, and space)132 Administrator Guide Document Version 2014-054.6.2 Call Control [Line 1]–[Line n]