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Advanced communications from the source. | SignalWire

Connecting FreeSWITCH to SignalWire CLOUD

Use mod_signalwire to take advantage of SignalWire's disruptive pricing on cloud telecom services

FreeSWITCH and SignalWire have revolutionized the way we communicate over the internet. Together, these two platforms are a powerful combination that enable developers to build and deploy innovative communication applications with ease.

It couldn’t be easier to connect FreeSWITCH to the SignalWire cloud. SignalWire was not only built by the same group of developers who made FreeSWITCH - it’s built on top of FreeSWITCH and is capable of extending and scaling FreeSWITCH use cases. Mod_signalwire allows developers to use the two together, so that you can take advantage of SignalWire’s elastic cloud infrastructure for carrier services in conjunction with FreeSWITCH in just a few simple steps.

In this post, we’ll go over how to connect FreeSWITCH to SignalWire cloud by taking the connection token from a fresh install of FreeSWITCH and placing it into SignalWire's integration interface. We'll then do some minor configuration and edit our dialplan to test out the setup.

To make mod_signalwire work, you will need a functional FreeSWITCH installation and a SignalWire Space with at least one purchased phone number.

Step 1 - Retrieving the connection token

From a fresh install of FreeSWITCH, one of the very first outputs in FS_cli is the mod_signalwire connection token, so if you catch that line, be sure to copy it down. That line looks like this:

If you missed it, a simple command allows you to display your connection token at any time from FS_cli: signalwire token

Now that you have your connection token, you're ready to complete the integration of your FreeSWITCH installation and your SignalWire Space.

Step 2 - Configuring SignalWire

Take your connection token to your SignalWire Space. Make sure you are in the project that you wish to use with FreeSWITCH and navigate to the Integrations tab. Create a new integration by selecting the FreeSWITCH option.

Once on this page, paste your connection token into the appropriate field and give your new connection an easily identifiable name. This will be important when connecting multiple instances of FreeSWITCH to your SignalWire project.

On the FreeSWITCH side, you should see your console returning lines like this:

Step 3 - Dialplan

Here's where we'll test our setup with a simple XML dialplan. Add the following code to your /etc/freeswitch/dialplan/default.xml file (or equivalent on a non-Debian based OS):

Now call your SignalWire phone number from any other line. If everything is set up properly, you should hear the current date and time, straight from your FreeSWITCH instance!

Need additional help with FreeSWITCH or have questions about SignalWire? Come and talk to us on our community Slack channel or our new forum!