TANDBERG D13841.01 - Manual (Page 39)

5 Configure the Gateway
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5.3 H.323 Configuration
To dial out from IP to ISDN, through the gateway, requires the use of H.323 numbers (E.164
aliases). This means that the gateway must be registered to a Gatekeeper.
H.323 Gatekeeper Status shows the current status of the Gatekeeper registration.
Note that if the Gatekeeper is configured with an alternative Gatekeeper, the Status area
might report a registration to the IP address of the alternative Gatekeeper.