Modifying A T1 Group - 3Com NBX 100 Administrator's Manual

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HAPTER EVICE

Modifying a T1 Group

C
ONFIGURATION
Modifying T1 Audio Controls
Audio Controls settings affect individual spans. You can edit these
properties:
Silence Suppression (3C10126D only) — Enables you to override the
system-wide setting. For a detailed description of how silence
suppression affects audio quality and bandwidth, see
Settings" on
Audio Compression (3C10116D only) — Enables you to override the
system-wide setting. For a detailed description of how audio
compression affects audio quality and bandwidth, see
Settings" on
Audio Source Gain — Enables you to adjust the audio gain to resolve
volume issues.
CAUTION: Do not change your Audio Source Gain settings unless you
are instructed to do so by a support representative.
To modify T1 Audio Controls:
1 On the Digital Line Cards tab, select T1 Span List or ISDN PRI Span List
from the Select Device Type list.
2 Click Apply.
3 Select the span you want to modify from the Span List. The number of
channels supported per span depends on the configuration of the Digital
Line Card.
4 Click Audio Controls. Click the Help button for more information about
dialog box fields.
In a normal environment, you should not need to change the Audio
Controls from their default settings. If you have an issue with sound
quality and you cannot resolve it using the volume controls on the NBX
Telephones, contact your technical support representative.
A Digital Line Card group is one or more T1 channels that are assigned
the same characteristics, such as Channel Protocol and DS1 direction. This
section describes how to perform these actions:
Modifying a T1 Group
Changing T1 Group Membership
Removing a T1 Group
page 257.
page 257.
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