Unstructured Supplementary Service Data
[ar] بيانات الخدمة التكميلية غير المنظمة
[be-x-old] Неструктураваныя зьвесткі дадатковага абслугоўваньня
[ca] USSD
[cs] Unstructured Supplementary Service Data
[de] USSD-Codes
[es] USSD
[fa] یواس‌اس‌دی
[fi] Lisäpalvelu
[fr] Unstructured Supplementary Service Data
[it] Unstructured Supplementary Service Data