# FreePBX

## Introduction

This Configuration Note describes how to set up Telcobridges ProSBC for interworking between ITSP’s SIP Trunk or remote client access for FreePBX server.

NOTE: SIP Trunk use G.711 in this test. There is no transcoding available.

### Prerequisites

* ProSBC devices must be installed as described in their respective with release 3.0.x/3.1.x. Release 3.0.x is not supported for TCP connections installation guides.
* FreePBX.For additional information on FreePBX, visit [FreePBX offical web site](https://www.freepbx.org/).

### Example Environments for SIP Trunking with FreePBX

<figure><img src="/files/C62Y7uUDlUD5YQMDSYkf" alt=""><figcaption></figcaption></figure>

### Example Configuration

Step by step example SIP Trunk configuration.

* [FreePBX Trunk Creation](/configuration-details/configuration-by-use-case/sip-trunking-configuration/configuration-for-adding-prosbc-as-a-sip-trunk-in-the-freepbx-server.md)
* [SIP Trunking Example Configuration](/configuration-details/configuration-by-use-case/sip-trunking-configuration/sip-trunk-configuration-instruction-with-freepbx.md)

### Example Environments for Remote Workers with FreePBX

<figure><img src="/files/ooNGUdMtQEeFSjhXi1bi" alt=""><figcaption></figcaption></figure>

### Example Configuration

Step by step example Remote workers configuration.

* [FreePBX Extension Creation](/configuration-details/configuration-by-use-case/sip-trunking-configuration/freepbx-extension-creation.md)
* [Remote Workers Configuration Instruction with FreePBX](/configuration-details/configuration-by-use-case/remote-workers/remote-workers-configuration-instruction-with-freepbx.md)

### Troubleshooting

<table><thead><tr><th width="200">Call Trace</th><th width="200">Test Call</th><th width="200">TBReport</th><th width="200">Advanced Troubleshooting of ProSBC</th></tr></thead><tbody><tr><td><ul><li><a href="/pages/wANvjzXmam8kffkMPw9X">Configure call trace</a></li><li><a href="/pages/0xUPGJa2HODY3Q6dXomj">Retrieve call trace</a></li></ul></td><td><ul><li><a href="/pages/X5qsI1juaiqbPcEAM4kK">Creating a Test Call</a></li></ul></td><td><ul><li><a href="/pages/o5WkY2J8kt6xmZ8P9npo">Capture a report of the system</a></li></ul></td><td><ul><li><a href="/pages/JtFwsTqktzofDpi5TFoE">Advanced Troubleshooting of ProSBC</a></li></ul></td></tr></tbody></table>


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