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Why Change the Default Incoming Bandwidth of the
Remote VIU-323?
For a call to succeed, the bandwidth of the called VIU-323 must match that of the calling
unit, but this does not always happen. When the bandwidth settings do not match, you can
force a change in the bandwidth of the receiving VIU-323. There are three instances when
this is necessary:
!
When the bandwidth of the VIU-323 being called differs from the bandwidth of the
unit that is calling.
!
When you don't know the bandwidth of the VIU-323 being called.
!
When you are calling another VIU-323 and high bandwidth is not available—during
peak calling hours, for example. (In this case you may want to add a prefix as well as a
suffix.)
How to Change the Default Bandwidth
Add the suffix after the dialing stream or when prompted, for example, by the Gateway's
IVR (Interactive Voice Response).
Dialing Examples
Note: The default outgoing and incoming bandwidths are the same and are referred to
below as "default bandwidth."
Dialing within a LAN
When an H.323 endpoint calls a VIU-323, within a LAN and the receiving VIU-323 is set to
a different bandwidth, dial:
!
The extension of the receiving VIU-323, followed by
!
The appropriate dialing suffix.
Example
The calling endpoint is set to 384 Kbps but the receiving VIU-323 is set at 128 Kbps; dial:
7777 30
where 7777 is the receiving VIU-323's extension and 30 is the suffix that changes the
incoming bandwidth of the receiving VIU-323 to 384 Kbps.
Changing Incoming Bandwidth
6-9
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