| Nederlands | nld-000 |
| Session Initiation Protocol | |
| bălgarski ezik | bul-001 | SIP |
| català | cat-000 | Session Initiation Protocol |
| čeština | ces-000 | Session Initiation Protocol |
| 普通话 | cmn-000 | 会话发起协议 |
| Deutsch | deu-000 | Session Initiation Protocol |
| ελληνικά | ell-000 | SIP |
| English | eng-000 | Session Initiation Protocol |
| euskara | eus-000 | Session Initiation Protocol |
| suomi | fin-000 | SIP |
| français | fra-000 | Session Initiation Protocol |
| עברית | heb-000 | Session Initiation Protocol |
| magyar | hun-000 | Session Initiation Protocol |
| italiano | ita-000 | Session Initiation Protocol |
| 日本語 | jpn-000 | Session Initiation Protocol |
| Hangungmal | kor-001 | SIP |
| Makedonski jazik | mkd-001 | Session Initiation Protocol |
| polski | pol-000 | Session Initiation Protocol |
| português | por-000 | SIP |
| română | ron-000 | Session Initiation Protocol |
| русский | rus-000 | SIP |
| español | spa-000 | Session Initiation Protocol |
| svenska | swe-000 | Session Initiation Protocol |
| Türkçe | tur-000 | SIP |
| українська | ukr-000 | SIP |