Upgrade WS6550 Version 2.1.4 to Version 2.1.4(p070525)
1. Unzip 6550_v214(p070525).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" WS6550