| Subject | English | Russian |
| comp., MS | callback number | номер ответного звонка (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 number event | событие: набор номера обратного вызова (Windows 8 ssn) |