| Subject | English | Arabic |
| comp., MS | Callback Control Protocol | بروتوكول تحكم رد الاتصال (The Network Control Protocol that negotiates the use of callback over PPP links) |
| comp., MS | callback function | وظيفة رد الاتصال (A function provided by (IIS) that allows an Internet Server API (ISAPI) extension or filter to access IIS services) |
| comp., MS | Emergency Callback Mode | وضع الرد على مكالمة الطوارئ (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) |