Grandstream GXV3140 GMI Guide - Manual (Page 4)

Grandstream Networks, Inc. GMI HTML SDK and API Guide Page 4 of 43
www.grandstream.com Last Updated: 09/2010
For more details regarding menu.xml, please refer to the following document:
《GXV31XX XML Based GUI Customization Guide》 .
The example files are available for download here .
4 GMI API Description
In order to facilitate the ease of controlling the phone behavior within the html code,
we have developed and provided several basic API functions (packaged in Javascript).
This chapter provides introduction to all the API functions available.
4.1 GMIEngine.refresh()
Function: GMIEngine.refresh()
Purpose: Used to refresh the current page. The phone will obtain the current
page from the web server and reload the page on the phone.
Parameter and Return
Value:
Parameter:
None
Return Value:
None
Additional Description: This API function is mainly used for testing during development. It is
advised to remove this function call in your program before official
release, so that the program will run as smoothly as the built-in
applications on the phone, providing users with better user
experience.
4.2 GMIEngine.historypage()
Function: GMIEngine.historypage(num)
Purpose: Go to the pages visited in history, as specified by num.
Parameter and Return
Value:
Parameter:
num - Any natural number. Negative numbers represents the
number of page records to go backward. 0 represents the current
page. Positive numbers represents the number of page records to