[VGW-402 / VGW-400FS / VGW-400FO] How can VGW Gateway series be connected with IPX-2100 / IPX-330 /IPX-2500?

[For IPX-2100 / IPX-330 / IPX-2500]
In Trunk item create a new trunk for VGW-400 Series.
Host: VGW-400 Gateway series IP address.
Mark Without Authentication

In outbound route, please create a new dial rule.In this new dial rule please select the Trunk you just created. In custom pattern, assign your outgoing plan. In here, we deleted 1 digit. (our outgoing prefix).
So our outgoing dial rule would be [9] + outgoing number, and we will delete the [9] and only send the other outgoing number.

To change the settings, please click on Activate Changes to make modifications effective!

In extensions item, create a new extension for VGW-400 Series.

[For VGW-400 Series]
In route plan, please press Modify Route Plan. In primary route, please choose the Outgoing Type to FXO.

In SIP Trunk Page
Register Type: Register
Proxy Server: IPX-300 / IPX-2100 / IPX-2500 PBX’s IP address
Proxy Server Port: 5060
Tel. No: extension number in IPX-300 / IPX-2100 / IPX-2500
User ID: extension number in IPX-300 / IPX-2100 / IPX-2500
User Password: extension password in IPX-300 / IPX-2100 / IPX-2500
Display Name: extension name in IPX-300 / IPX-2100 / IPX-2500