| Subject | English | Chinese simplified |
| comp., MS | globally routable user agent URI | 全球可路由的用户代理 URI (A URI that a SIP program can use to route a call to a specific agent) |
| comp., MS | user agent string | 用户代理字符串 (A string that identifies a user's web browser and provides details about the user's computer system to web servers hosting the websites that the user visits) |