IPV20 TECHNICAL REFERENCE & INSTALLATION GUIDE
17
TONE CADENCE & FREQUENCIES*
1. Dial Tone (500 Hz.)
Continuous
2.
Ring back Tone (500 Hz.) 1500 msec on, 3500 msec off
3.
Busy Tone (500 Hz.)
500 msec on, 500 msec off
4.
DISA Dial Tone (500 Hz.) 300 msec on, 300 msec off, 300 msec on,
300 msec off, 300 msec on, 2000 msec off
5.
Dial Tone with Message
Waiting (500 Hz.)
300 msec on, 300 msec off, 300 msec on,
300 msec off, 300 msec on, 2000 msec off
6.
Error Tone (500 Hz.)
300 msec on, 300 msec off, 300 msec on,
300 msec off, 300 msec on, 300 msec off,
700 msec on, 300 msec off
7.
Dial Tone (Reminder
Active)
1000 msec 500 Hz., 1000 msec 250 Hz.
8.
Special Dial Tone (250
Hz.)
Continuous
9.
Overflow Tone (2000
Hz.)
700 msec on, 200 msec off
10.
Warning Tone (250 Hz)
20 msec on, 1500 msec off
* Some tone and cadence values can be modified via the ComSer programming
interface.