| български | bul-000 |
| Цифрова мрежа с интегрирани услуги | |
| العربية | arb-000 | شبكة رقمية للخدمات المتكاملة |
| বাংলা | ben-000 | ইন্টিগ্রেটেড সার্ভিসেস ডিজিটাল নেটওয়ার্ক |
| bosanski | bos-000 | ISDN |
| català | cat-000 | Xarxa Digital de Serveis Integrats |
| čeština | ces-000 | ISDN |
| 普通话 | cmn-000 | 综合业务数字网 |
| dansk | dan-000 | ISDN |
| Deutsch | deu-000 | Integrated Services Digital Network |
| English | eng-000 | Integrated Services Digital Network |
| euskara | eus-000 | ISDN |
| suomi | fin-000 | ISDN |
| français | fra-000 | Réseau numérique à intégration de services |
| galego | glg-000 | RDSI |
| hrvatski | hrv-000 | ISDN |
| italiano | ita-000 | Integrated Services Digital Network |
| 日本語 | jpn-000 | ISDN |
| Hangungmal | kor-001 | ISDN |
| lietuvių | lit-000 | ISDN |
| മലയാളം | mal-000 | ഇന്റഗ്രേറ്റഡ് സര്വീസസ് ഡിജിറ്റല് നെറ്റ്വര്ക്ക് |
| Nederlands | nld-000 | Integrated Services Digital Network |
| bokmål | nob-000 | ISDN |
| polski | pol-000 | Integrated Services Digital Network |
| português | por-000 | RDIS |
| română | ron-000 | ISDN |
| русский | rus-000 | ISDN |
| slovenčina | slk-000 | Digitálna sieť integrovaných služieb |
| slovenščina | slv-000 | ISDN |
| español | spa-000 | Red Digital de Servicios Integrados |
| српски | srp-000 | ИСДН |
| svenska | swe-000 | ISDN |
| Türkçe | tur-000 | ISDN |
| українська | ukr-000 | ISDN |