We wrote an article about 3CX how to connect with analog PBX in last time. This article is also about 3CX, but it's about 3CX how to binding outline number one to one by the gateway.Because some companies want one line binding one extension. VOPTech offers a solution to meet this kind of requirement by its multi-ports VoIP Gateway. Extensions of the Analog PBX and the 3CX system can call each other directly. Now let's start it. Log in your 3CX and choose SIP trunk tab, press add Gateway button. Choose Generic in Select Brand, keep model/device default.A number [...]

3CX is a very popular IP Phone system in the world. Lots of customers might consider replacing the Analog Phone system to 3CX and connecting their remote offices together. In some cases, a customer may deploy 3CX system in one or two offices firstly and keep using the exist Analog Phone system for a certain period before they completely moving to 3CX. VOPTech offers a solution to meet this kind of requirement by its multi-ports VoIP Gateway. Extensions of the Analog PBX and 3CX system can call each other directly. First of all, you need an FXO gateway and [...]

How to obtain IP address from gateway when you lost it Gateway's IP address are static, so it's difficult to get the IP address from gateway when we lost it. In fact, we have two ways to obtain gateway IP address. Firstly, haveIf the gatehasFXS port,  It's easy to obtain.Because connect an analog phone to the FXS port, and we can hear IP address played by the phone after we press number sign twice. Secondly, what can we do if the gateway only have FXO port.We need a software called wireshark. Next we should connect pc with gateway's wan [...]

Auto provisioning of VOPTech IP series SIP phone VOPTech IP series SIP phone supports auto-provisioning via SIP PnP, DHCP Option, and Phone Flash. It supports FTP, TFTP, HTTP and HTTPS protocol. This guide is about the auto-provisioning of IP series SIP Phone via Phone Flash setting through HTTP protocol. In this way, VOPTech SIP Phone(IP20P) will automatically gain the setting from the auto-configuration server. You just need to configure on your ACS side, accordingly, the setting in the phone side will be automatically updated too. In this example, the ACS IP address is 10.168.1.130. Below is the detailed steps of [...]

Although AX IP PBX comes without any FXO or FXS port, we can integrate VOPTech VG series gateway to work with AX IP PBX. It is the best cost effective way for small business to have its own IP Phone system.