Polycom SIP 2.2.0 manual Function is selected, Detrimental effect on performance of the phone

			Configuration Files
	Main Browser <main/>
	This setting controls the home page used by the Microbrowser when that
	function is selected.
Attribute	Permitted Values	Default	Interpretation
mb.main.home	Any fully formed valid	Null	URL used for Microbrowser home page. If blank,
	HTTP URL. Length		the browser will notify the user that a blank
	up to 255 characters.		home-page was used.
			For example:
			http://www.example.com/xhtml/frontpage.cgi?pa
			ge=home.
mb.main.statusbar	0, 1	Null	Flag to determine whether or not to turn off
			display of status messages.
			If set to 1, the display of the status bar is
			enabled.
			If set to 0, or Null, the display of the status bar is
			disabled.
mb.main.idleTimeout	0 - 10, minutes	Null	Timeout for the interactive browser. If the
			interactive browser remains idle for a defined
			period of time, the phone should return to the
			idle browser.
			If set to 0 or Null, there is no timeout.
			If set to value greater than 0 and less than 10,
			the timeout is for that number of minutes.
	Browser Limits <limits/>
	These settings limit the size of object which the Microbrowser will display by
	limiting the amount of memory available for the Microbrowser.
Attribute	Permitted Values	Default	Interpretation
mb.limits.nodes	positive integer	256	Limits the number of tags that the XML parser
			will handle. This limits the amount of memory
			used by complicated pages. A maximum total of
			500 (256 each) is recommended. This value is
			used as referent values for 16MB of SDRAM.
			Note: Increasing this value may have a
			detrimental effect on performance of the phone.
mb.limits.cache	positive integer	200	Limits the total size of objects downloaded for
			each page (both XHTML and images). Once this
			limit is reached, no more images are
			downloaded until the next page is requested.
			Units = kBytes. This value is used as referent
			values for 16MB of SDRAM.
			Note: Increasing this value may have a
			detrimental effect on performance of the phone.

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