Aastra Telecom AastraLink Pro 160 - Manual (Page 90)

Configuring Groups
3-46 41-001190-02 Rev. 01, Rel. 1.2
AastraLink Pro 160 Administrator Guide
The following table identifies the different Bellcore ring tone patterns and
cadences.
Bellcore Tone
Pattern
ID Pattern Cadence
Minimum
Duration
(ms)
Nominal
Duration
(ms)
Maximum
Duration
(ms)
(Standard) 1 Ringing
Silent 2s On
4s Off 1800
3600 2000
4000 2200
4400
Bellcore-dr2 2 Ringing
Silent
Ringing
Silent
Long
Long
Long
630
315
630
3475
800
400
800
4000
1025
525
1025
4400
Bellcore-dr3 3 Ringing
Silent
Ringing
Silent
Ringing
Silent
Short
Short
Long
315
145
315
145
630
2975
400
200
400
200
800
4000
525
525
525
525
1025
4400
Bellcore-dr4 4 Ringing
Silent
Ringing
Silent
Ringing
Silent
Short
Long
Short
200
145
800
145
200
2975
300
200
1000
200
300
4000
525
525
1100
525
525
4400
Bellcore-dr5 5 Ringing 450 500 550