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128 Chapter 7 Optional VoIP trunk configurations

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Using Radvision ECS 3.2 GK as the gatekeeper

When you use Radvision ECS 3.2 GK as the gatekeeper with the Business Communications

Manager, specifically with the FP1 Maintenance Release, use the configurations described in this

section. For detailed information about Radvision, and how to open and use the application, refer

to the documentation for the application.

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:

Table 31 Radvision Calls screen required settings

Field Value Description

Accept calls check box Box must be checked.

Routing Mode Direct

Setup(Q.931) (not supported)

Call Control (H.245)

Set to Direct.

(Nortel recommends that you always use Direct

mode.)

Check that call is active every check box Leave box UNCHECKED.

Enabling this feature will result in dropped calls.

Table 32 Radvision Advanced screen required settings

Field Value Description

Check that the endpoint is

online every ___

check box Leave box checked.

This setting controls the intervals when Radvision

checks if the Business Communications Manager

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 (the Business Communications Manager) is

active.

Force Direct for Service Calls check box Check this box if you selected the Routing Mode:

Direct on the Calls screen.

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Avaya IP Telephony Guia de Configuração Página 128