What is the Announce Caller (Rebound)? Overview Some of our customers will see the option “Announce Caller (Rebound)” when configuring the extension settings in the 3CX system. Many users are not sure what this option means and what it does. In
Category: 3CX Blog
Analyze the reason why a call to an IVR extension failed
Analyze the reason why a call to an IVR extension failed Background： We have a customer tell us that only one number of their external DID number can be dialed. Other external numbers are immediately hanged after dialing. The customer
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How to configure security rules on Alibaba Cloud platform for 3CX
Background: 3CX is an open-platform, software VoIP phone system that works with popular IP Phones and SIP trunks whether on-premise or in the cloud. We have many customers who choose Alibaba Cloud platform to deploy 3CX, some customers don’t know
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3CX connect gateway to make outside call
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
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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