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How to Install & Setup Fusion PBX SIP Trunking


This article demonstrates step-by-step instructions for setting up Fusion PBX SIP Trunking with Circuit ID.

Step-by-Step Instructions

The below table will detail the steps required to accomplish your goals:



Login to the Management Portal by clicking a sign-on provider or entering your Email Address and Password as shown in Exhibit 1. If you don't have an account, you can sign signup instantly by clicking here.
Management Portal Login Form

Add your Fusion PBX Server(s) to Circuit ID

Follow the How to Add your Server(s) to Circuit ID guide

Purchase Phone Numbers

Follow the How to Purchase Phone Numbers guide to purchase one (1) or more numbers.

Add a New Gateway to Fusion PBX 

  • Login to Fusion PBX admin panel
  • Go to the Gateways tab under the Accounts tab as shown in Exhibit 1.
  • Click on the Add button to add new Gateway and enter the following information as shown in Exhibit 2:
    • Gateway: Enter “Circuit ID” or a descriptive name.
    • Username: NA
    • Password: NA
    • Proxy : g.pstn.circuitid.com (or use a Localized Termination URIs as shown in Exhibit 3)
    • Register: False
    • Hit Save button on top right corner

Localized Termination URIs

Region Hostname
US East (Virginia) useast.pstn.circuitid.com
US East 2 (Ohio) useast2.pstn.circuitid.com
US West (California) uswest.pstn.circuitid.com
EU (Ireland) euwest.pstn.circuitid.com
Asia Pacific (Singapore) apsoutheast.pstn.circuitid.com

Signalling IPs

US East (Virginia)
US East (Ohio)
US West (California)
EU (Ireland)
Asia Pacific (Singapore)

Media IPs

US East (Virginia)
US East (Virginia)
US East (Virginia)
US East 2 (Ohio)
US West (California)
US West (California)
EU (Ireland)
Asia Pacific (Singapore)

Configure Inbound Routes for Inbound Calls

  • Login to Fusion PBX and go to Destination under Dial Plan tab as shown in Exhibit 1.
  • Click the Add button on the top-right corner of the screen and enter the following as shown in Exhibit 2:
    • Type: Inbound
    • Country Code: 1 for USA
    • Phone Number: The phone number you selected in Step 3
    • Action: Select the target you would like to route the number to.


Congratulations! You have now completed the "How-To Install & Setup Fusion PBX Server with Circuit ID" article and we hope that you have accomplished the goals you set out to achieve. However, if for any reason you may still require assistance with setup, simply login to the Management Portal and submit a support request.

Updated on August 5, 2023

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