12
AUDIBLE INDICATIORS
No
Tone
Cadence
Remark
1
Dial Tone
Continuous beep
330ms ON / OFF
660ms ON / OFF
Terminal is in service area and
can make calls.
2
Busy Tone
Beep - beep - beep
0.5s ON / 0.5s OFF
Recipient line is busy
3
Howler Tone
High pitched beep
(1400+2060Hz) 0.1S ON
(2450+2600Hz) 0.1S OFF
Phone receiver is off the hook for
more than specified duration
4
No Service Tone
Long beep + pause
1.5s ON
800ms OFF
Terminal cannot make or receive
calls (No signal)
5
Function Confirm Tone
Escalating bee – bee -beep
1046Hz: 350ms ON
1328Hz: 350ms ON
1567Hz: 350ms ON
Used when accessing menu.
Menu selection or configuration
successful
6
Function Error Tone
Three Short Beeps
Used when using menu.
Menu selection or configuration
not successful
7
Outgoing Call
Restriction Tone
800ms ON
200ms OFF
Terminal is configured to block
outgoing call (incoming calls are
permitted)
8
Voice Mail Indicate Tone
0.1s ON
0.1s OFF(One Time)
9
One Minute Alert Tone
Short beep
0.1s(One Time)
10
Low Battery Alert Tone
Bee – beep --- bee – beep
0.1s ON, 10ms OFF
0.1s ON, 1s OFF
