Nortel VoIP Gateway, Configuration Manual

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Radvision Gatekeeper 181
Norstar VoIP Gateway Configuration Guide
Radvision Gatekeeper
Norstar VoIP Gateway has been interoperability tested against Radvision ECS 3.2 gatekeeper.
For general information on using the Radvision ECS 3.2 Gatekeeper, please refer to
documentation provided with the application.
General Settings
1 Open the Radvision application.
2
On the viaIP Administrator screen, select the Settings tab, then click on the Basics button.
3 Beside the Who can register field, choose Everyone.
4 In the left frame, click the Calls button.
Ensure the following fields are set:
5
In the left frame click the Advanced button.
Ensure the following fields are set:
Field Value Description
Accept calls check box This check box must be checked.
Routing Mode Direct Set to Direct. The gatekeeper will then be used only for address
resolution. This is the preferred mode of interoperation.
Check that call is active
every check box Leave this check box UNCHECKED.
Enabling this feature will result in dropped calls.
Field Value Description
Skip Admission Procedure
(Pre-Grant ARQ) check box Uncheck this box. Pregranted ARQ is not supported by the
gateway.
Use Cisco proxy for
unknown zones check box Uncheck this box.
Check that the endpoint is
online every ___ check box Leave box checked.
This setting controls the intervals when Radvision checks if the
Gateway is still on line.
Enable TTL check box Box must be checked.
This is the only mechanism currently supported that allows the
gatekeeper to determine if the end point is active.
Force Direct for Service
Calls check box Check this box if you selected the Routing Mode: Direct on the
Calls screen.