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5 Make a Trial Call
After the room system is connected to the VIU-323, the VIU-323 is connected to the LAN,
and both the room system and the VIU-323 are up and running. Use the room system dialer
to make your call. The following are examples of basic dialing.
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 bandwidth, simply dial the extension of the endpoint you are calling.
Example
5555
Where 5555 is the extension of the endpoint you are calling.
Two-Channel (2B) Dialing Through a Gateway
To dial through a gateway to an H.320 unit, you must take into account the bandwidths of
the calling VIU-323 and the receiving unit, and 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 and the receiving unit is 2x64 Kbps
then you don't have to change the bandwidth, but you must 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 number, after the 2nd
number delimiter dial the digits of the second number that differ from the first
number (see example below). If the second number is the same as the first number,
don't dial the number.
VIU–323 Quick Start Guide
17
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