| German | English |
| Datex-P | packet-switched data exchange (paketvermitteltes Datennetz n (Dx-P), network; DBT, X.21, X.25, corresponds to PSS, GB) |
| Datex-P20-Hauptanschluß | asynchronous dial-up data link via tieline (DBT, 300-1200 kbit/s) |
| Datex-P 10-Hauptanschluß | synchronous X.25 data link (DBT, 2.4 -48 kbit/s) |
| Datex-P20-Wählanschluß | asynchronous dial-up data link via telephone network (DBT X.28 300-1200 kbit/s) |
| P-Bit | poll bit |
| p-Bruchteil der außer-Betrieb-Zeit | p-fractile down time |
| P-1394-Buchse | P1394 socket (digital video interface, up to 400 Mb/s, replaces the lower-bit-rate SCSI interface; used for DVC camcorder, DVD player, DVB receiver etc., to IEEE standard P 1394) |
| P/F-Bit | poll/final bit |
| P-Fernschreiben | priority message |
| P3-Protokoll | P3 protocol (communications protocol between a UA and an MTA, MHS) |
| P5-Protokoll | P5 protocol (communications protocol between a teletex service user and a TTXAU, MHS) |
| P2-Protokoll | P2 protocol (communications protocol between UAs, MHS) |
| P+S | Personnel and Staff Division |
| P-Spruch | priority message |
| Wählanschluß der Gruppe P | packet-switched connection (Datex-P, DTAG) |
