Telephone Abbreviations and Acronyms

1. DELS
   Direct Exchange Lines
2. DIAL
   Direct Information Access Line
3. DMS
   Digital Multiplex Switching
4. DMS
   Digital Multiplex Switch
5. DMS
   Digital Multiplexing Switch
6. DN
   Dialled Number
7. DND
   Dialled Number Display
8. DNIS
   Dialed-Number Identification Service
9. DNIS
   Dialled Number Adentification Service
10. DNIS
    Dial Number Identification Service
11. DNR
    Dialed Number Recorder
12. DNR
    Dial Number Recorder
13. DNVT
    Digital Non-Secure Voice Terminals
14. DP
    Diel-Pulse
15. DP
    Dialled Pulse
16. DP
    Direct Pickup
17. DPIM
    Door Phone Interfaceamodule
18. DSS
    Direct Stations Selection
19. DT
    Digital Terminal
20. DTMF
    Dual Tone Multi Frequency

Last updated: January 4, 2020 — Total entries: 219