| Subject | English | Spanish |
| comp., MS | callback function | función de devolución de llamada (A function provided by (IIS) that allows an Internet Server API (ISAPI) extension or filter to access IIS services) |
| comp., MS | callback number | número de devolución de llamada (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) |
| commun., IT | callback number display | visualización del número llamado en repetición |
| comp., MS | callback security | seguridad de devolución de llamada (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, mexic. | Emergency Callback Mode | modo de devolución de llamada de emergencia (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 | Emergency Callback Mode | Modo de devolución de llamada de emergencia (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) |