| Subject | English | Polish |
| commun. | internetwork packet exchange | międzysieciowa wymiana pakietów |
| comp., MS | Internetwork Packet Exchange/Sequenced Packet Exchange | Internetwork Packet Exchange/Sequenced Packet Exchange, IPX/SPX (Transport protocols used in Novell NetWare networks, which together correspond to the combination of TCP and IP in the TCP/IP protocol suite. Windows implements IPX through NWLink) |