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Strata CT Digital Telephone User Guide November 2001
173
Notes to Users Network Planning Information
Step 4: Network Planning Information
4-1. Strata CT Tone Plan.
Table A3 below lists the characteristics of the tones and signals used in Strata CT.
4-2. System Port to Port losses.
Table A3
Tones/Signal to: Frequency Cadence Meaning
Exchange Line Music On Hold N/A Call on Hold
DKT 500/640Hz
modul.10Hz
1300/1780Hz
modul.10Hz
860/1180Hz
modul.10Hz
2000Hz mod by 10Hz
500Hz
1000/800Hz
1000/800Hz
660/500
2000Hz
1s On 3s Off
1s On 3s Off
1s On 3s Off
1s On 3s Off
1s On 3s Off
0.6s On 1000Hz/0.6s On 800Hz
0.6s On 1000Hz/0.6s 800Hz
0.7s On 660Hz/0.7s On 500Hz
1s On 3s Off
I/C PSTN call Opt.1.
I/C PSTN call Opt.2.
I/C PSTN call Opt.3.
I/C PSTN to Busy DKT
I/C Int call
Call from D/phone A
Call from D/phone B
Call from D/phone B
Busy/DND Override
2 Wire extns 20Hz
DTMF A
DTMF D
DTMF B
MWI Signal
1s On 3s Off
80 or 160mS
80 or 160mS
80 or 160mS
0.9 ON/0.1s Off
Ring Signal
Voice Mail Answer
Voice Mail Disconnect
Voice Mail Recall
Message Waiting Signal
Tie Lines 400Hz
350/440Hz
400/450Hz
400HZ
0.375s On/0.375s Off
Continuous
0.4 On/0.2s Off/0.4s On/2s Off
0.375s On/0.375s Off
Extension Busy
Dial Tone
Ring Tone
Delay Busy Tone
DISA calls 400Hz
350/440Hz
4000/450Hz
400Hz
0.375s On/0.375s Off
Continuous
0.4 On/0.2s Off/0.4s On/2s Off
0.375s On/0.375s Off
Extension Busy
Dial Tone
Ring Tone
Delay Busy Tone
Internal general 350/400Hz
400/450Hz
400Hz
400Hz
400Hz
Continuous
0.4 On/0.2s Off/0.4s On/2s Off
0.375s On/0.375s Off
0.375s On/0.375s Off
1s On
Dial Tone
Ringing Tone
Extension Tone
NU/Reorder Tone
Executive override