![](/images/new-backgrounds/1329783/329783187x1.webp)
Notes to Users
Step 4: Network Planning Information
Table
Tones/ |
| Frequency | Cadence | Meaning | |
Signal to: |
| ||||
|
|
|
| ||
| 1. | 20Hz | 0.4s On 0.2s Off 0.4s On 3s Off | Ringing Signal Internal | |
| 2. | 20Hz | 1s On 3s Off | Ringing Signal Internal | |
| 3. | DTMF A | 80 or 160mS | Voice Mail Answer | |
| 4. | DTMF D | 80 or 160mS | Voice Mail Disconnect | |
2 Wire extns | 5. DTMF B | 80 or 160mS | Voice Mail Recall | ||
| 6. | MWI Signal | 0.9 ON/0.1s Off | Message Waiting Signal | |
| 7. | 20Hz | 1s On 1 S Off | Recall Ringing Signal | |
| 8. | 1209Hz | 2 bursts 0.16s On twice then 3s Off | External Call waiting | |
| 9. | 1209Hz | 2 bursts 0.5s On twice then 3s Off | Internal Call waiting | |
| 1. | 350/440Hz | Continuous | Dial Tone | |
| 2. | 400(T1), 350/ | |||
| 4 bursts of 0.125s | DND Stutter Dial Tone | |||
| 440Hz(T2) | ||||
| 5 bursts of 0.1s 3s On | MW Stutter Dial Tone | |||
| 3. | 350/440Hz | |||
| 0.4s On, 0.2s Off 0.4s On 2s Off | Ringing Back Tone | |||
| 4. | 400/450Hz | |||
| 0.375s On/0.375s Off Repeated | Normal Extension Busy | |||
| 5. | 400Hz | |||
| 0.375s On/0.375s Off Repeated | ||||
| 6. | 400Hz | |||
| 0.375s On/0.375s Off Repeated | NU/Reorder Tone | |||
Internal | 7. 400Hz | ||||
1s On | Executive override | ||||
general | 8. 440Hz | ||||
3 bursts of 0.1s | Entry Tone | ||||
| 9. | 350/440Hz | |||
| Operation rejected. In call | ||||
| 10. 1209Hz(T1), | ||||
| timess | Operation accepted In call | |||
| 500Hz(T2) | ||||
| 3 bursts of 0.125s | ||||
| 11. 350/440Hz | Progmg Operation | |||
| 2 bursts of 0.125s | ||||
| 12. 2000Hz | accepted | |||
| 0.75s On | Prgmg Operation rejected | |||
| 13. 2000Hz | ||||
| 1s On 2s Off Repeated | CFD stutter dial tone | |||
| 14. 350/440Hz | ||||
|
|
| |||
| System Port to Port losses. |
|
Strata LVMU/GVMU Voice Processing System User Guide 7/06 | 81 |