For details about available characters, see 5.2.2 Characters Available for String Values.• Comma-separated Integer: a list of integers, separated by commasNo space characters are allowed.• Comma-separated String: a list of strings, separated by commasNo space characters are allowed.DescriptionDescribes the details of the parameter.Value RangeIndicates the permitted value range of the parameter.Default ValueIndicates the factory default value of the parameter.Actual default values may vary depending on your phone system dealer.Phone User Interface ReferenceProvides the reference page of the corresponding parameter in phone user interface programming.Web User Interface ReferenceProvides the reference page of the corresponding parameter in Web user interface programming.5.2.2 Characters Available for String ValuesUnless noted otherwise in "Value Range", only ASCII characters can be used for parameter values. Unicodecharacters can also be used in some parameter values.Available ASCII characters are shown in the following table:5.2.3 XML Formatting BasicsConfiguration parameters are stored in an XML format. The following are guidelines for using XML.– XML files have a in hierarchical structured that uses elements and attributes to identify the structure andcontent of data.– XML documents must contain a root element.– All elements in an XML file can contain sub elements and attributes.– An XML file starts at the root element and branches to the lowest level of elements.218 Administrator Guide Document Version 2014-055.2.3 XML Formatting Basics