| Subject | English | Korean |
| comp., MS | missed call | 부재 중 전화 (A telephone call the user has failed to answer) |
| comp., MS | missed call notification | 부재 중 전화 알림 (An e-mail message that is sent to a Unified Messaging subscriber that indicates that someone called but did not leave a message) |
| comp., MS | missed conversation | 부재 중 대화 (An incoming conversation that was not acknowledged by the user. Missed conversation notifications are saved and reported to the user) |