SIP IP Phone Models 480i, 480i CT, 9112i, 9133i Release Notes
New Features in 1.4.1
XML: HTTP Refresh Header
A new HTTP refresh header feature has been implemented on the IP phones. This feature includes the following:
•All current XML screen objects have the ability to be refreshed by adding a Refresh and URL setting to the HTTP headers. (see Refresh setting format below)
•The Refresh setting is set by the XML application and it is up to the application to decide which objects it wants to refresh.
Note: This HTTP refresh header feature only applies to objects that display to the screen.
The Refresh setting must be included in the HTTP header. The XML application decides which objects it wants to use with this setting. The phone recognizes this setting when parsing the HTTP header. If the setting is present, then it passes along the refresh timeout and the URL to the ParserData object, which all XML screen objects inherit from. The ParserData class also has a timer, which must be set to expire at the next refresh time. When the timer expires (time to refresh the screen), the phone requests the URL again and displays the refreshed screen.
Refresh Setting Format
The following is the Refresh setting format for the HTTP header:
Refresh: <timeout>; URL=<page to load>
The following example is a Refresh setting for use in an HTTP header:
Refresh: 3;
Note: You must use the Refresh and URL parameters in order for this feature to work in the HTTP header.
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