Notes to Users | Network Planning Information |
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Step 4: Network Planning Information
Table A3 below lists the characteristics of the tones and signals used in Strata CT.
Table A3
Tones/Signal to: | Frequency |
| Cadence | Meaning |
Exchange Line | Music On Hold | N/A | Call on Hold | |
DKT | 500/640Hz | 1s | On 3s Off | I/C PSTN call Opt.1. |
| modul.10Hz | 1s | On 3s Off | I/C PSTN call Opt.2. |
| 1300/1780Hz | 1s | On 3s Off | I/C PSTN call Opt.3. |
| modul.10Hz | 1s | On 3s Off | I/C PSTN to Busy DKT |
| 860/1180Hz | 1s | On 3s Off | I/C Int call |
| modul.10Hz | 0.6s On 1000Hz/0.6s On 800Hz | Call from D/phone A | |
| 2000Hz mod by 10Hz | 0.6s On 1000Hz/0.6s 800Hz | Call from D/phone B | |
| 500Hz | 0.7s On 660Hz/0.7s On 500Hz | Call from D/phone B | |
| 1000/800Hz | 1s | On 3s Off | Busy/DND Override |
| 1000/800Hz |
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| 660/500 |
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| 2000Hz |
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2 Wire extns | 20Hz | 1s | On 3s Off | Ring Signal |
| DTMF A | 80 or 160mS | Voice Mail Answer | |
| DTMF D | 80 or 160mS | Voice Mail Disconnect | |
| DTMF B | 80 or 160mS | Voice Mail Recall | |
| MWI Signal | 0.9 ON/0.1s Off | Message Waiting Signal | |
Tie Lines | 400Hz | 0.375s On/0.375s Off | Extension Busy | |
| 350/440Hz | Continuous | Dial Tone | |
| 400/450Hz | 0.4 On/0.2s Off/0.4s On/2s Off | Ring Tone | |
| 400HZ | 0.375s On/0.375s Off | Delay Busy Tone | |
DISA calls | 400Hz | 0.375s On/0.375s Off | Extension Busy | |
| 350/440Hz | Continuous | Dial Tone | |
| 4000/450Hz | 0.4 On/0.2s Off/0.4s On/2s Off | Ring Tone | |
| 400Hz | 0.375s On/0.375s Off | Delay Busy Tone | |
Internal general | 350/400Hz | Continuous | Dial Tone | |
| 400/450Hz | 0.4 On/0.2s Off/0.4s On/2s Off | Ringing Tone | |
| 400Hz | 0.375s On/0.375s Off | Extension Tone | |
| 400Hz | 0.375s On/0.375s Off | NU/Reorder Tone | |
| 400Hz | 1s | On | Executive override |
Strata CT ACD Supervisor November 2001 | 29 |
