| Subject | English | Thesaurus |
| IT, abbr. | Broadband Network Termination | BNT (B-ISDN) |
| IT, abbr. | Broadband Network Termination | B-NT (B-ISDN) |
| telecom., abbr. | Integrated Services Digital Network User Part | ISDNUP |
| abbr., commun. | Intelligent Network Application Part | INAP (Interface) |
| abbr., comp., net. | Intelligent Network Application Part | INAP |
| telecom., abbr. | Line Unit Network Termination | LUNT |
| IT, abbr. | Network Independent Transport Service | NITS |
| abbr., comp., net. | Network Management Vector Transport | NMVT |
| telecom., abbr. | Network Management Vector Transport protocol | NMVT |
| abbr., comp., net. | Network News Reading Protocol | NNRP |
| abbr., comp., net. | Network News Transport Protocol | NNTP |
| abbr., commun. | Network Terminal/Termination | NT |
| telecom., abbr. | Network Termination | NT (ISDN) |
| IT, abbr. | Network Termination unit 1 | NT1 (ISDN) |
| comp., abbr. | Network Termination | NT |
| IT, abbr. | Network Termination for Basic Access | NTBA (ISDN) |
| abbr., IT | Network Termination Interface | NTI |
| IT, abbr. | Network Transport Services /2 | NTS/2 (IBM) |
| comp., abbr. | Network Transport Services/2 | NTS/2 |
| abbr., commun. | Optical Network Termination | ONT |
| abbr., comp., net. | Simple Network Transport Protocol | SNTP |
| abbr., comp., net. | Transport Network Node | TNN |
| comp., net., abbr. | Transport Network Substrate | TNS |
| IT, abbr. | Xerox Network Services/Internet Transport Protocol | XNSITP (Xerox, XNS) |
| IT, abbr. | Xerox Network Services/Internet Transport Protocol | XNS/ITP (Xerox, XNS) |
| abbr., inet. | Xerox Network Systems' Internet Transport Protocol | XNS/ITP |