| Subject | English | Chinese Taiwan |
| comp., MS | Callback Control Protocol | 回撥控制項通訊協定 (The Network Control Protocol that negotiates the use of callback over PPP links) |
| comp., MS | callback function | 回呼函數 (A function provided by (IIS) that allows an Internet Server API (ISAPI) extension or filter to access IIS services) |
| comp., MS | callback number | 回撥號碼 (The phone number at which the sender of an SMS can be reached that is displayed to the recipient in the SMS itself; it can be a different number than the cell phone number used to send the SMS) |
| comp., MS | callback security | 回撥安全性 (A form of network security in which a remote access server calls a user back at a preset number after the user has made an initial connection and has been authenticated) |
| comp., MS | Emergency Callback Mode | 緊急回撥模式 (A mode the phone goes into after a user calls an emergency number (ex: 911) and the call ends. When the phone is in this mode, only the emergency operator can call the person on their phone, so that the emergency operator can call back or determine where the user is at. The phone is in this mode for about 5 minutes or until the user cancels out of the mode) |
| comp., MS | preset-to callback | 預設回撥 (A form of security in which a remote access server verifies users by calling them back at numbers supplied by the network administrator at the time user privileges are granted. Only a network administrator can change a preset callback number. This ensures that no one can borrow a user's password and connect to the server from a location other than the user's normal one) |
| comp., MS | set-by-caller callback | 呼叫者設定回撥 (In Network Connections, a form of callback in which the user supplies the telephone number that the remote access server uses for callback. This setting spares the user any long-distance telephone charges) |