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Operational Features
5-124 41-001160-03, Rev 00, Releaes 2.4
IP Phone Administrator Guide
If you enable priority alerting when using a Sylantro server, you can specify the
Bellcore tone to be used for the following configurable criteria:
Ring Tone Pattern (Sylantro Servers)
A System Administrator can configure the ring tone cadences if required, using
the configuration files. The following table identifies the different Bellcore ring
tone patterns and cadences.
Call criteria Bellcore tones for each call criteria
alert-acd (auto call distribution)
alert-community-1
alert-community-2
alert-community-3
alert-community-4
alert-emergency
alert-external
alert-group
alert-internal
alert-priority
Normal ringing (default)
Bellcore-dr2
Bellcore-dr3
Bellcore-dr4
Bellcore-dr5
Silent
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
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