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Making Calls with the VIU-323
Basic Dialing
When the bandwidth of the calling VIU-323 is the same as that of the receiving unit, dial the
extension or phone number of the unit you're calling.
Dialing Examples
Dialing Within a LAN
When the calling VIU-323s and the receiving endpoint are on the same LAN segment and
set to the same default bandwidths, simply dial the extension of the endpoint you're calling.
Example
5555
Where 5555 is the extension of the endpoint you are calling.
Two-Channel (2B) Dialing Through a Gateway
When you are dialing through a gateway to an H.320 unit, you must take into account not
only the bandwidths of the calling VIU-323 and the receiving unit, but the bandwidth of the
circuit switched network that connects the two sides.
If:
!
You are making a BRI call, and
!
The default bandwidth of the calling VIU-323 is 2x64 Kbps, and
!
The default bandwidth of the receiving unit is also 2x64,
then you don't have to change the bandwidth. You must, however, dial:
!
The gateway's service prefix, followed by
!
The first channel phone number, followed by
!
The 2nd number delimiter.
!
If the second channel phone number is different from the first, you dial the digits of
that number that differ from the first number after the 2nd number delimiter (see
example below). If it's the same as the first, don't dial it.
6-2
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