Aastra SIP 480i, Руководство администратора

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Operational Features
5-128 41-001129-00 Rev 09, Release 1.4.1
IP Phone Administrator Guide
Operational Features
Call Waiting Tones
Call Waiting is a feature that tells you if a new caller is trying to contact you when
you are already on the phone.
A discreet tone alerts you to the new caller, so you can answer your second
incoming call by putting your first caller on hold.
The IP phones use the following Bellcore-specified call waiting tones.
For Asterisk and Broadworks servers, call waiting tones are specified by the
default Bellcore tones indicated in the table
Ring Tone Pattern (Asterisk/
Broadworks Servers) on page 125.
For Sylantro servers, call waiting tones are specified by the Bellcore tones you
configure in the Aastra Web UI or the configuration files. See the table
Ring Tone
Pattern (Sylantro Servers) on page 126.
Bellcore
Call-Waiting Tone
Pattern
ID Pattern
Minimum
Duration
(ms)
Nominal
Duration
(ms)
Maximum
Duration
(ms)
CallWaitingTone 1 1 Tone On 270 300 330
Bellcore-dr2
CallWaitingTone2 2 Tone On
Tone Off 90
90 100
100 110
110
Bellcore-dr3
CallWaitingTone3 3 Tone On
Tone Off
Tone On
Tone Off
90
90
90
90
100
100
100
100
110
110
110
110
Bellcore-dr4
CallWaitingTone4 4 Tone On
Tone Off
Tone On
Tone Off
90
90
270
90
100
100
300
100
110
110
330
110