Category: User Guides
IT security is at the forefront of every business owner’s mind, and SIP trunk security should be included in every...
In this article: Creating the DHCP Option 66 Note: Not all DHCP servers have the capability to add or change...
In this article Introduction Recording a menu prompt Creating a digital receptionist Dialling an extension directly Call by name Self-identification...
What is a Codec? 0A codec is software or a device that compresses, decompresses, and converts analog and digital signals...
So, your phone system has finally gone digital. 3CX has replaced the old analog box on the wall. A lot...
We generally recommend that customer speak to a partner before trying to manage a phone system implementation themselves – but...
Configuring a SIP trunk on 3CX with a supported provider could not be easier. Follow our guide below to set...
In this article Introduction The 3CX Firewall Checker tool is used to check whether your router or firewall is allowing...
Port Forwarding During the setup of a phone system connected to the internet via SIP trunks, you will be required...
Update 2 of 3CX V15.5 saw the addition of the Terminal Window feature for Debian. It is remarkably easy to...