For Release v1.x User:
	1. Upgrade from release v1.x to v2.0 first (Refer Upgrade From Release 1.0 to 2.0 steps)
	
For Release v2.0.x User:
	1. Upgrade v2.1.x binfile
	2. Upgrade new license key


For Release v2.1.x User:
	1. Upgrade v2.1.x binfile 


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Upgrade WS6500 Version 2.1.4 to Version 2.1.5
1. Unzip 6500_v215.zip
2. Procedure: 
   http://xxx.xxx.xxx.xxx:10087
    login user: xxxx
    login password: xxxx
    Upgrade the software (Control > Upgrade)
	-file name: sippd.bin
	-file name: wwwroot.bin
	-file name: osadmin.bin
	
    Click "Upload" button: 
	Display:
	sippd.bin---->Successfully
	wwwroot.bin---->Successfully
	osadmin.bin---->Successfully 
	
		
3. Click "Control > System > Restart" WS6500