Adding PSTN lines via VoIP Gateways
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Adding PSTN lines via VoIP Gateways

Configuring VoIP Gateways

On this topic

Configuring VoIP Gateways

Introduction

What is a VoIP Gateway?

What is a Port?

Supported VoIP Gateways

Step 1: Discover and Update the VoIP Gateway

BeroNet Gateways

Patton SmartNode Gateways

Welltech WellGate Gateways

Step 2: Configure the VoIP Gateway in 3CX Phone System

See Also

Introduction

External calls can be made on PSTN/phone lines or via VoIP providers. A traditional PBX requires you to connect the PSTN lines to the PBX hardware box; however in the case of 3CX Phone System you have more options:

  • Connect PSTN lines (physical phone lines) to a VoIP Gateway situated on your internal network.
  • Connect PSTN lines to a VoIP add-in card, installed on the machine running 3CX Phone System or on another machine.
  • Use a “hosted” phone line from a VoIP Service Provider. In this case the VoIP service provider gives you the ability to make calls via your internet connection. This is explained in the next chapter.

To make and receive external phone calls via your regular phone lines, you will have to buy and configure a VoIP gateway. This chapter explains what they are and how to configure them.

What is a VoIP Gateway?

A VoIP gateway is a device which converts telephony traffic into data, so that it can be transmitted over a computer network. In this manner PSTN/telephone lines are “converted” to SIP extensions, allowing you to receive and place calls via the regular telephony network. VoIP Gateways exist for analog lines as well as BRI, PRI/E1 lines and T1 lines. VoIP cards do the same thing, but are add-in cards that are installed into a computer.

What is a Port?

A port is a physical line outlet on a gateway or VoIP card. In the case of an analog line, one port is used for each voice channel. In the case of BRI ISDN, one port allows for two voice channels, and in the case of E1 or T1 ports, each port represents 30 and 23 channels respectively. Just as it is necessary to configure a phone to register with the phone system, it is also necessary to configure the VoIP gateway or card to register its ports with 3CX Phone System. Some devices build a hunt group for all available ports and present them as on single virtual extension inside 3CX Phone System (Beronet & Patton devices) and others represent each port individually (Welltech).

Supported VoIP Gateways

It is important to use a VoIP gateway supported by 3CX. Supported gateways have been tested by 3CX and are automatically configured with their correct settings. If using the default configuration, 3CX will also provide first line support of their use with 3CX Phone System. A list of the latest supported gateway hardware, can be found on the Supported VoIP Gateways & ATA's page.

In order to configure a VoIP Gateway with 3CX follow the steps outlined below.

Step 1: Discover and Update the VoIP Gateway

The first step is to connect the gateway, assign a static IP and update the firmware on the VoIP Gateway.

BeroNet Gateways

If you have a BeroNet gateway, you will need to:

  1. Use the “bfdetect tool to find the gateway on the network.
  2. Configure the Gateway in 3CX as described in the next step.
  3. Click on the "Configure BeroNet Card" button at the bottom of the summary page
  4. Login with admin/admin and follow the screen instructions to complete the setup.

More information is about Configuring Beronet BeroFIX.

Patton SmartNode Gateways

If you are using a Patton SmartNode gateway, you will need to:

  1. Use the Patton SmartNode Discovery Tool to find the gateway on the network.
  2. Configure the Gateway in 3CX as described in the next step.

More information about Connecting A SmartNode to the Network.

Welltech WellGate Gateways

If you want to use a Welltech gateway, you will need to:

  1. Plug an analog phone into the device and dial #126# on FXS devices
  2. Prepare the Welltech Gateway by updating the required firmware provided by 3CX.
  3. Update 3CX Phone System to download the latest template updates for your Wellgate.
  4. Configure the Gateway in 3CX as described in the next step.

Step 2: Configure the VoIP Gateway in 3CX Phone System

The second step is to create the VoIP gateway in the 3CX Management Console and configure it.

  1. In the 3CX Management Console, click the “PSTN Gateways node > “Add Gateway”.
  2. In the name field, enter a friendly name for the VoIP gateway. Now choose the gateway brand and model that you are using from the list. Click “Next”.
  3. Depending on the gateway you selected, you might be asked additional options, such as what country the device will be connected in. Some options are line specific and you may need to check with your line provider.

  1. Enter the hostname or IP of the VoIP Gateway in the “Gateway Hostname or IP” field, and specify the SIP Port on which the gateway is operating. By default this is 5060.
  2. Specify the number and type of ports the gateway supports, i.e. analog, BRI, PRI or T1. This will set up one account for each port and enable the corresponding number of calls/lines for that account.
  • An analog line supports 1 call.
  • A BRI port supports 2 calls.
  • An E1 (PRI) supports 30, and a T1 (PRI) supports 23.

For example, if you specify 1 x T1 port, it will create one SIP account which can handle up to 23 calls. Click “Next”.

  1. The individual ports will be created and displayed in a columnar format.
  • Virtual extension number – In effect the VoIP Gateway “converts” each line/port to an extension, so that the phone system can receive and forward calls to it. The virtual extension number is a number assigned by 3CX Phone System so that it can address it as an extension. There is no need to change this field.
  • Authentication ID & Password  These values are used to authenticate the ports with 3CX Phone System.
  • Channels The Channels field shows how many simultaneous calls the port supports. An analog line supports 1 call; a BRI port supports 2 calls, an E1 (PRI) 30, and a T1 (PRI) 23.
  • Port Identification  This field shows the identification number given to the port. Here you can specify the number that was assigned by your telco provider.
  • Inbound Route Day/Night  If the port will receive inbound calls, you can specify to which extension, ring group or digital receptionist a call must be routed. This can be changed and extended to support multiple DIDs at a later stage.
  1. On the next page, you can create an outbound rule for the VoIP Gateway that is being configured. For example, you can have calls where the called number starts with a prefix routed to this Gateway. Click “Finish” to create the VoIP Gateway.

See Also

You might also be interested in:


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  1. MARTIN

    do you have any documntation about the integration between patton smartnode 4112 and Edgewater Edge marc 4550 (SBC)?

    October 14, 2015 at 12:02 am Reply
    • No, and this is not supported I am afraid, you should not need to use an SBC..

      October 14, 2015 at 8:57 am
  2. Charles

    Is it possible to use this gateway devices to integrate 3cx with Panasonic TDA100 traditional PBX?

    June 21, 2016 at 4:29 pm Reply
    • Charalambos Eleftheriou

      @Charles, if the other device is sip compliant then you can try yes – Good luck. But we can not provide any support for this.

      June 21, 2016 at 8:22 pm
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