Notes to Users

Step 4: Network Planning Information

Table A-3(continued)

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 T2-3s On

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

Busy-Extension in DND

 

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

 

T1-3 bursts of 0.25s, T2 0.25s three

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

 

 

 

4-2.

 

System Port to Port losses.

 

Strata LVMU/GVMU Voice Processing System User Guide 7/06

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Toshiba GVMU/LVMU manual System Port to Port losses