234 CHAPTER 3: DEVICE CONFIGURATION
Modifying Audio Controls
In a normal environment, do not 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.
CAUTION: Do not change your Audio Controls settings unless you are
instructed to do so by a qualified support representative.
Adding or Modifying
an E1 Group
A digital line card group is one or more E1channels that are assigned the
same characteristics, such as Channel Protocol. This section describes
how to perform these actions:
■Adding an E1 Group
■Modifying an E1 Group
■Changing E1 Group Membership
■Removing an E1 Group
CAUTION: Modifying an E1 group disconnects any calls in process on
any channels associated with the group.
Adding an E1 Group
You add a new group when you need to assign common characteristics
to several E1channels.
To add a digital line card group:
1On the Digital Line Cards tab, select ISDN PRI Group List from the Select
Device Type drop-down list and click Apply.
2In the dialog box that appears, click Add.
To modify ISDN PRI group parameters:
1Type a name for the new group in the Group Name field.
2To enable the transfer of incoming calls to another line card port, select
Unrestricted from the Trunk to Trunk list. To disable this feature, select
Restricted.
3Use the AutoExt fields to select the extension to which calls are routed
when they are not answered. You can select different extensions for
different times of the day. The default settings route all calls to the
Auto Attendant (extension 500). Click Apply to add the group.