eircom advantage Appendices
A
PPENDIX
II
S
YSTEM
T
ONES
The following is a list of tones that are used on the system -
Internal Dial Tone Continuous
Busy Tone 500mS On - 500msS Off - 500mS On - 500mS Off.................
Ringing Tone 1 Sec On - 4 Sec Off - 1 Sec On - 4 Sec Off...................
Hold Tone 30mS On - 100mS Off - 30mS On - 2 Sec Off - 30mS On - 100mS Off........
Congestion Tone & 250mS On - 250mS Off -250mS On - 250mS Off..................
Call Proceeding Tone
Success Tone 500mS On - 55mS Off - 500mS On - 55mS Off.................
Failure Tone 87mS On - 87mS Off - 87mS On - 87mS Off..................
Alert Tone 5 Sec Off: 120mS On - 9 Sec Off - 120mS On - 9 Sec Off...................
DND/Diversion Tone 500mS On - 55mS Off - 500mS On - 55mS Off.....................
Note: Sec = Seconds
mS = milli-Seconds
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