Preparations Router 3CX PBX IP phone (We use softphone here) VG1X-8FXO gateway PSTN line Gateway Install Power on VG1X-8FXO gateway, plug one PSTN line to FXO-1, and connect WAN port to switch(or router). Connect IP phones to internal network, or
Category: Technology Blog
How to Setup 3CX Failover with KeepAlived on Debian
What is Keepalived The main goal of this project is to provide simple and robust facilities for loadbalancing and high-availability to Linux system and Linux based infrastructures. high-availability is achieved by VRRP protocol. VRRP is a fundamental brick for router failover. In
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Use 3CX SBC to solve the GOIP Gateway register issue
Background: The customer’s 3CX is deployed on Google Cloud. Due to infrastructure issues, there is no broadband and PSTN line access in the local area, 4G routers are used to solve network problems, and GOIP gateways and SIM cards are
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How to configure DBL GOIP gateway for 3CX via IP to IP mode
Background: Due to the impact of infrastructure, PSTN lines in some countries are not perfect, they can not use PSTN lines to achieve business communication. At this time we need to use the GOIP gateway to meet the need to
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How to configure DBL GOIP Gateway for 3CX
Background： In some places, because of the imperfect infrastructure, PSTN lines cannot be used. At this time, the GOIP gateway can solve the problem of outbound calls of their telephone systems. This article will introduce How to configure DBL GOIP
Note on importing 3cx extension via AD or Office 365
Background： Many of our customers want to create extensions through their current office365 or AD domain when switching to 3CX. In this article, we will introduce What do we need to pay attention to when import 3cx extension via AD or
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Manually register a remote extension to 3CX requires STUN server to be enabled
Background: We have many customers’ 3CX servers in the cloud. When manually registering extensions, we found that only one phone is registered, and other phones have failed to register (using UDP registration). At this time, we need to set up
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How to configure PCCW Trunk for 3CX
The SIP line of Hong Kong service provider PCCW needs to be registered under the network provided by PCCW, and the 3CX server needs another network to implement installation and external network registration. This means the devices that install 3CX
3cx Hardware Requirements
Hardware Requirements For a list of supported operating systems, go here. “Up to 16 sim calls” CPU Intel® Core™ i3-3210 Processor (3M Cache, 3.20 GHz) Memory 2 GB HDD SATA 30GB Can be Virtualized Yes NETWORK 100/1000 Mbit/s “Up to
How to connect FXO gateway to 3CX SBC
Introduction 3CX SBC is a very useful software, it allows easier bridging of remote 3CX instances and connection of remote extensions. If you want to know more details about SBC or 3CX Tunnel you can read this document: Configuring the