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To set up a VX node using VXbuilder, perform the following steps: (If your VX node is already configured, you can skip these steps and proceed directly to Verifying Ports).

Using the VXbuilder Configuration Wizard

Start VXbuilder by going to Start > Programs > NET > VXbuilder to display the VXbuilder window.

At the VXbuilder window, click Receive to display the Connectdialog box. Use this dialog box to identify the VX node from which to collect data. Enter the IP address or fully qualified domain name of the node. In the network shown in the figure to the right this is 10.1.1.75. The Login dialog box then displays.

At the Username and Password fields, type your username and password, as configured during system initialization.

If this is a new node that has never been configured before, Select Run Wizard and click Next.


Select the Basic Unified Communications ISDN Gateway and click Next. The voice configurations explained in this application guide do not use UC configurations, but UC helps configure VX for traditional VoIP.

Enter the requested information.

  • Preferred DNS Address: Enter the IP address of the Domain Name Serverfor the enterprise network in which this node is located. Enter this address in standard dotted decimal form. (A DNS server is not required for voice support, however it is required for VXbuilder).
  • Alternate DNS Address: Enter the IP address of a DNS server that will be used if the preferred server is not available.
    For the purposes of setting up the quick start, leave this blank.

Enter the requested information

This step is for Unified Communications and is not required for traditional voice. If you are using Mediation Servers, you can enter the requested information here. If not, skip this step.)


  • Primary Mediation Server: Enter the IP address (standard dotted decimal notation form) or the fully qualified domain name of the Primary Mediation Server (if any) which will be used in the configuration.

  • Secondary Mediation Server: Enter the IP address (standard dotted decimal notation form) or the fully qualified domain name of the Secondary Mediation Server (if any) which will be used in the configuration when the Primary Mediation Server is not available.
    Click Next when you have entered all the requested information.

Enter the requested information.

  • Line Type: Select the line type of the PBX or PSTN being connected to from the drop down list. Your options are T1 or E1. In the network in the figure to the right this is T1.
  • ISDN Protocol: Select the ISDN protocol being using in your configuration. In the network in the figure to the right this is AT&T 4ESS.
  • Country Code: The telephony code assigned to the node. In the network in the figure to the right this is USA, which is 1.
  • PBX Prefix: The prefix to form the abbreviated PBX number back into an E.164 telephony number. In the network in the figure to the right this is a prefix of 1510574 which will form an extension number of 2370 into 510 574 2370. This is not required if you are connecting directly to the PSTN.
    Click Finish when you have entered all the requested information.

The configuration is complete.
The wizard automatically configures:

  • Telephony ports (T1/E1) - ISDN settings
  • Basic call routing - For more information on how to edit the call routing see Call Routing Management
  • SIP configuration - The values input by way of the wizard dialog boxes are populated at the appropriate places in the configuration tree.

Transmit the configuration to the node.
The configuration is complete and the user can transmit it to the node and after the node is restarted, user can bring up the calls. You are now ready to make calls.