| Subject | English | Arabic |
| med. | in-line code | راموزٌ مُتَخَلِّلٌ |
| pwr.lines. | line code | رمز الخط |
| pwr.lines. | line code | شيفرة الخط |
| comp., MS | outside line access code | رمز الوصول إلى خط خارجي (The prefix that is used to access an outside line. In the United States, this prefix is typically 9) |
| pwr.lines. | redundant line code | شفرة خطية فائضة |