# Integrating Elastic SIP Trunking with Vodia PBX Sinch Elastic SIP Trunking can easily integrate with Vodia PBX. Follow this guide to learn how! ## Before you start Before you begin setting up your Sinch Elastic SIP trunk make sure you have done the following: * Sign up for a free account at https://www.sinch.com/ and request access for Elastic SIP Trunking. Need help? Click [here](https://community.sinch.com/t5/Customer-Dashboard/How-to-sign-up-for-your-free-Sinch-account/ta-p/8058) for instructions. * If you have not already done so, configure and create your Elastic SIP trunk. Instructions on how to do this can be found [here](https://community.sinch.com/t5/Elastic-SIP-Trunking/Getting-started-with-Elastic-SIP-Trunking/ta-p/11380). * Ensure you note the fully qualified domain name (FQDN) that was created on your SIP Trunk. You will need this while setting up your IP-PBX or SIP Application. ## Configuring your Vodia PBX 1. Log into your Vodia PBX with Admin privileges and navigate to **Domains** | **List** and select your domain. For this setup we will be using the default `localhost` domain. ![current domains](/assets/vodiapbx-current-domains.25060267537dbee6fbc6fd36a62a437e300e410f9ecbb416d98a937d24452669.f40ae551.png) 2. Once the `localhost` domain is selected, the main setup menu for provisioning SIP Trunks is displayed. Select **Trunks** | **SIP Trunks** from the navigation menu on the left side of the window, and then click **Add**. ![current trunks](/assets/vodiapbx-current-trunks.d1da7c2ff4c332c17eb6bb0996aa75c3841bfa45542ee4582b67f32b5ef50a5e.f40ae551.png) 3. The new Trunk wizard is displayed. ![create trunks](/assets/vodiapbx-create-trunk.22c046b4fd06fd7b931466228fd33ab746b162fe19a134e387a839ba215be507.f40ae551.png) 4. Select **Other** from the drop-down list, and enter the values in the form as demonstrated by the following table: | Property name | Required value | | --- | --- | | **Type** | Set to **No Registration** | | **Name** | The friendly name you would like to call your SIP Trunk. | | **Outbound Proxy Address** | Enter the FQDN you created when configuring your Sinch SIP Trunk. | Once finished, click **Create**. 5. Navigate to the SIP Trunk you just created and scroll down to the **Registrations** section. While this trunk is not using Registration, there are some setup items which must completed: | Property name | Property value | | --- | --- | | **Domain** | Enter the FQDN you created when configuring your Sinch SIP Trunk. | | **Proxy Address** | Ensure this address is formatted to include `:5060` at the end of the URL. | ![registrations](/assets/vodiapbx-registrations.9dc33e565a51b1be0b40814f8cb54ad2f67c383344273de159f5fa9ef006050c.f40ae551.png) 6. Save your configuration and now your Elastic SIP trunk should be operational and ready for traffic. Assign a number to your trunk and give it a try!