Black Box mm146 User Manual page 26

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To configure the H323 Setup options:
Press the menu button, then press the number 2 key to display the
1.
Communications Setup menu, then press the number 3 key to access the H323
Setup menu.
Press the number 1 key to access the Network Setup menu..
H.323 ID
H.323 Extension
Gatekeeper Mode
GK Addr
NAT Addr
enter button twice to save the information selected in this menu.
Press the
2.
The H.323 ID is an alphanumeric name. It enables the
administrator to know who is registered with the gatekeeper
at a glance. This ID name can be entered into the Manual
Dial screen as a way of making calls.
The H.323 Extension is a phone number or part of one (such
as your extension number). Ths number is allocated by your
system administrator. The format follows the E164 standard,
and the length is user defined.
Options are ON, AUTO and OFF.
When ON is selected, the videophone looks for the
Gatekeeper at the defined IP address.
When AUTO is enabled, the GK Addr option is disabled,
and the videophone looks to auto-register with the
Gatekeeper.
OFF must be selected when no Gatekeeper is present on the
network.
The Gatekeeper address has the format of an IP address, and
is entered when manual gatekeeper discovery is desired.
Enter the external IP address of your videophone here if
using NAT (Network Address Translation) in your router or
firewall. Leave the field empty if you are using an H.323
aware firewall.