Upgrade SIPPBX6200S/GS/N Version 3.1.0 to Version 3.1.1 1. Unzip 6200s_v311.zip (or 6200gs_v311.zip or 6200n_v311.zip) 2. Procedure: http://xxx.xxx.xxx.xxx:10087 login user: xxxx login password: xxxx Upgrade the software (Control > Upgrade) -file name: osamdin.bin -file name: wwwroot.bin -file name: sipbx.bin -file name: dbserver.bin Click "Upload" button: Display: osadmin.bin---->Successfully wwwroot.bin---->Successfully sipbx.bin---->Successfully dbserver.bin---->Successfully 3. Import call authorization call to call flow (refer Documents > ca_patch.zip) 4. Click "Control > System > Restart" SIPPBX6200S/GS/N