Signalling Tone (ST)
A 10 kHz tone transmitted by the mobile station on a voice channel to:
- confirm channel change orders (HO tone, 50 ms ST)
- request a flash-hook by the mobile (400 ms ST)
- mobile ending call (1.8 sec ST)
- mobile alert (continuous ST)
| TOP 10 |
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1. Mobile Phone
2. Ringtone
3. Cheap Mobile
5. T Mobile
6. Vodafone
8. 02
9. Orange
10. Sim Free Mobile
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