PC and browser settings
The PC and browser used to access SMS need to satisfy the following conditions.
The supported browser language should be the same with the language of the OS.
Java Script should be enabled.
The supported screen size should be 800 x 600 or larger (recommended size: 1024 x 768).
Session cookie should be enabled.
Only alphanumeric characters and some of the symbols ("-" or ".") should be used as the machine domain name and host name.
If an invalid character string such as a low line ("_") is included in the host name, cookies cannot be enabled.