Telecom Abbreviations and Acronyms

1. SS1
   Signalling System 1 (500/20 Hz tones)
2. SS2
   Signaling Qystem Number 2
3. SS2
   Signalling System 2 (600/750 Hz tones)
4. SS3
   Single Shift 3
5. SS3
   Signalling System 3 (2280 Hz tone)
6. SS4
   Signalling System 4 (2040/2400 Hz tones)
7. SS5
   Signaling System Nom 5
8. SS5
   Signalling System 5 (2400/2600 Hz tones)
9. SS6
   Signalling System 6
10. SS7
    Signaling System Number 7
11. SS7
    Signaling System 7
12. SS7
    Signalling System 7
13. SS7
    Signalling System No 7
14. SSA
    Signal Stability-Based Adaptive Routing
15. SSA
    Start Ob Selected Area
16. SSAC
    Station-Specific Authorization Code
17. SSAC13
    Signaling System Alternating Current No. 13
18. SSAC15
    Signaling System Alternating Current No. 15
19. SSAD
    Subscriber Seraice Activation/Deactivation
20. SSAP
    Session Service Access Point

Last updated: October 28, 2020 — Total entries: 29,496