Configure the Patton ISDN Type PRI (E1/T1/S2M) for 3CX
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Patton ISDN Type PRI (E1/T1/S2M)

Configure a Patton SN4940, SN4950, SN4960, SN4970, SN4980, SN4990 VoIP Gateways with 3CX

After you familiarise yourself with the basic concept of PSTN gateways and how to set up a static ip address as decribed in http://www.3cx.com/docs/pstn-lines-voip-gateways/ proceed to add a PSTN gateway into the 3CX Phone System. Note: All templates are designed to work with Patton SmartWare firmware. However Trinity Firmware/Devices are NOT supported.

Patton ISDN Type PRI (E1/T1/S2M)

Step 1: Add and choose device

Step 2: Country depending setting

Step 3: Set IP Address

Step 4: Set Channels

Step 5: Create Outbound Rule

Step 6: Upload Configuration

Step 7: Create Inbound Rules

Step 1: Add and choose device

Navigate to “PSTN Gateways” within the 3CX Management Console and select “Add Gateway”

Enter your name of choice for the gateway, select the brand and PSTN model type. This guide focuses on the setup of PRI (Primary Rate Interface) for E1 (Europe) or T1 (United States). If you are looking for another technology:

Step 2: Country depending setting

Dropdown options:

  • Country - Select the country the gateway is to be used in. This reflects the dial tones generated by the device, replicating local free and busy tones while dialing. For Germany, Austria and Switzerland “CLIP no screening” is enabled by default.
  • Signalling Protocol - Options depend on the interface type. For E1 most commonly it’s DSS1 whereas for T1, NI2 is the default option.
  • Overlap Dialing - This refers to whether or not any further digits are received by the gateway after the initial call is received by the gateway. Setting this option to “YES” will ensure that all digits will be sent to the 3CX Phone System but at the cost of delaying the incoming call.
  • Ports - Select the amount of ports the Patton PRI device has. Do not select how many ports you are going to use, just how many ports the device has in total.
  • Mode - As all PRI ports will be placed in a hunt group, select how the Patton device should allocate the ports while placing outbound calls. Options are Normal (always start from the first port, first channel) or opt to take a cyclical approach (spreading the calls across all ports evenly in a round robin manner). Note: ports that are already in use will be skipped and the next available port will be used.

Step 3: Set IP Address

Enter the IP address of the PSTN device that was previously set to a static internal ip address. For the time being ignore the number of ports, type and channels listed in the grayed out section.

Step 4: Set Channels

In this section you must now alter the amount of calls your PSTN gateway can handle; this directly relates to the port selection in the previous step. In case you selected:
For a T1 device:

  • 1 Port enter 23 Channels
  • 2 Ports enter 46 Channels
  • and so on

For a E1 device:

  • 1 Port enter 30 Channels
  • 2 Ports enter 60 Channels
  • and so on

Step 5: Create Outbound Rule

In the next step you will set how the device should be used for outbound calls. More information about the outbound rules can be found in the admin guide: http://www.3cx.com/docs/trunk-management/#h.4lsgosufz6ar or the 3CX Academy http://www.3cx.com/3cxacademy/videos/basic/configuring-outbound-routing/

Step 6: Upload Configuration


By pressing the ”Generate config file”, the 3CX Management Console will directly open the web interface of the patton gateway on the “Import Configuration” page (e.g. http://192.168.1.2/imp-cfg.html). A configuration file is automatically downloaded which then needs to be saved and uploaded onto the patton device by using the browse and import button.


The device will reboot once in order to apply the configuration. After this the Port/Trunk status should change from RED to GREEN.

Step 7: Create Inbound Rules

In order to create inbound rules for different DIDs/MSNs/DDIs follow the admin guide under http://www.3cx.com/docs/trunk-management/#h.4260gbjwwdpx or for further information check 3CX Academy information at http://www.3cx.com/3cxacademy/videos/basic/configuring-inbound-routing/

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