PBX Setup Guides

Step-by-step guide to configuring a Simtex SIP trunk on 3CX Version 20. Covers trunk setup, inbound and outbound routing, codec configuration, and security hardening.

Step-by-step guide to configuring a Simtex SIP trunk on FreePBX 17 with PJSIP. Covers trunk setup, TCP transport, SRV auto-discovery, outbound and inbound routing, codec configuration, and security hardening.

Step-by-step guide to configuring a Simtex SIP trunk on Grandstream UCM series PBX systems (UCM6202, UCM6204, UCM6208, UCM6301, UCM6302, UCM6304, UCM6308).

Step-by-step guide to configuring a Simtex SIP trunk on Yeastar P-Series PBX systems (P550, P560, P570) using TCP transport with SRV failover.

Step-by-step guide to configuring a Simtex SIP trunk on Yeastar S-Series PBX systems (S20, S50, S100, S300) using TCP transport.

Using PJSIP and wanting to have multiple devices registered to the same extension?

The following is to help with the connection of Cisco CUBE or CallManager Express to our environment.

Our guide assumes you have already set the server up, and have the web-based GUI ready to go.  If not, grab an ISO image of FreePBX14 from here: FreePBX Distro

This is a step-by-step procedure to setup a Simtex SIP trunk with Fusion PBX. Our guide assumes you have already set the server up, and have the web-based GUI up and running.

Thought about converting across to PJSIP? here are some helpful hints and configuration examples to connect your vanilla Asterisk to our environment.