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Traditional PSTN phone lines are still an excellent method to make calls and in some regions the only method. Either the web does not allow it or traditional telecom companies provide phone lines via an entrance on facility just. These lines then need to be plugged into a VoIP Gateway and linked to 3CX. You can find out more about VoIP Gateways here - What is a VoIP Gateway
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Which VoIP Gateway?

Whilst 3CX does not directly support VoIP Gateways, we do suggest the following producers: Patton, Beronet and Grandstream.

These vendors check their items with 3CX and are familiar with it. For any technical support you need to speak straight with the vendor in concern. The offered technical assistance for the gateway must be an essential point in the purchasing decision!

How it Works

The basic reasoning of setting up a VoIP entrance is to set up the gateway as a SIP trunk into 3CX. It's not really a SIP Trunk due to the fact that the direction of registration is different. A SIP Trunk will always be set up to enable 3CX to register to it. The VoIP entrance SIP trunk registers with 3CX. Some VoIP Gateways now permit IP based registration and might hence be configured as a regular SIP Trunk if you choose. This is the primary distinction in between a SIP trunk and a VoIP entrance and the reason that you require to pick "Add Gateway" and not "Add SIP Trunk".

Step 1: Connect the VoIP Gateway

Connect the VoIP Gateway to the network.
Now find the entrance's network IP:
For a Grandstream, use the "Grandstream IP Discovery Tool".
For a Patton, utilize the "SmartNode" Discovery Tool.
For a Beronet, use the "bfdetect".
Login through the device's web user interface.
Update the firmware to the most recent variation.
Assign a static IP or develop a reservation on your DNS server. Remember of this IP.
Step 2: Patton/ Beronet - Import template

If you do not have a Patton or Beronet gateway you can skip this step.

The Inbuilt Generic Gateway Template has "Outbound Parameters" defined "FromUserPart" -> $CallerNum which is suitable with lots of entrances but not with Patton and Beronet. If you have this brand you require to import a specific template. To do this:

Download this template for Patton or Beronet.
Go to "Advanced" > "Templates" > "Provider Templates" > "Import".
Select the generic design template you downloaded and press import to configure this entrance.
Step 3: Configure your Gateway Trunk on 3CX

Specify a name for this gateway.
In "Registrar/Server" enter the gateway's IP.
Enter the gateway's "Main Trunk Number" and "Default Route".
Enter the number of synchronised require this entrance. This must not surpass the variety of lines the gateway supports, e.g. a T1 gateway supports 23 lines.
Go to the "DID numbers" tab and specify any DIDs connected to the PSTN connection you are linking to the VoIP Gateway.
Bear in mind of the Authentication ID and password.
Click "Save" to produce this gateway.
Step 4: Create an Outbound Rule for this Gateway

Enter a name for this outbound rule.
Define the guideline choices for the calls to be routed via this entrance.
Click "Save".
Step 5 - Register your Gateway to 3CX

For Patton

Navigate to Telephony -> SIP and include a "IF_SIP" user interface profile and specify the Remote User Agent Host Name/ Port which is the IP address and SIP Port of 3CX.
Go to Authentication Services and include the authentication profile called "AS_ALL_LINES" with the Authentication ID and Password drawn from 3CX "Add Gateway" configuration.
Go to Location Services and include "LS_10000" where "10000" is your Authentication ID drawn from 3CX "Add Gateway" setup.
Go to Telephony > Call-Router and define the Routing Tables based upon your device settings. You may talk to Patton to offer you with a comprehensive guide on how to configure your Routing Tables.
For Grandstream

Add account in General Settings and specify Name, SIP Server IP address and Outbound Proxy to be the IP Address of the PBX.
Go to SIP Settings and configure its SIP Settings by allowing SIP Registration to "Yes" and press Save.
Go to Accounts and go into the credentials obtained in action 3 and add Authentication ID and Password.
For Beronet

Add account in SIP Configuration and specify Name, SIP registrar, domain and to be the IP Address of the PBX.
Enter the qualifications obtained in action 3 and include User, Authentication ID and Password and press the Activate button to use settings.
Create a Diaplan to be able to get calls from Beronet Gateway to 3CX Phone System. You may talk to Beronet to provide you with an in-depth guide on how to configure your Dial Plans.
See Also

See the Firewall & router setup to configure your firewall program/ router/ NAT device.
Just how much dedicated bandwidth do I need for VoIP? See the Bandwidth overhead over DSL connections assist to discover out.
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