Chapter 7. SpecificationsSection
Tone Characteristics
Table
Tone Name | Frequency | Timing (seconds) |
|
|
|
| CO Call Tones | |
|
|
|
CO incoming call | 550/400 Hz at 16 Hz | Programmable |
|
|
|
Hold recall | 550/400 Hz at 16 Hz | 0.5 on/3.5 off |
|
|
|
Transfer recall | 550/400 Hz at 16 Hz | 0.5 on/3.5 off |
|
|
|
Trunk queuing | 550/400 Hz at 16 Hz | 0.5 on/0.5 off/0.5 on/2.5 off |
|
|
|
CO offhook signal | 550 Hz | 1 on/7 off |
|
|
|
| Internal Tones (Key Phones) | |
|
|
|
Dial tone | 400 Hz | Continuous |
|
|
|
CO incoming call | 550 Hz | 1 on/3 off (Prior to |
|
| Programmable |
|
| higher) |
|
|
|
Callback | 400 Hz | 1 on/3 off |
|
|
|
Busy | 400 Hz | 0.5 on/0.5 off |
|
|
|
Busy override | 400 Hz | 0.25 on/0.25 off/0.25 on |
|
|
|
Splash | 550 Hz | 0.5 on |
|
|
|
Error | 400 Hz | 0.5 on/0.5 off |
|
|
|
Reminder call | 550 Hz | 4 on/1 off/4 on/1 off/4on 1 off/4 on/silence |
|
|
|
Call waiting | 550 Hz | 0.25 on/0.25 off/0.25 on/7.25 off |
|
|
|
Key press | 1 kHz | Duration of the key press |
|
|
|
| Internal Tones (SLTs) | |
|
|
|
CO/Station ringing | 20 Hz | 1 on/3 off |
Hold recall Callback |
|
|
|
|
|
Transfer (Prior to | 20 Hz | 0.5 on/3.5 off |
|
| |
|
|
|
Transfer | 20 Hz | Programmable |
and |
|
|
higher) |
|
|
|
|
|
|
|
|
|
DBS Manual - Revised April 2000 | |||
