# Configuring 3CX SIP Trunks

{% hint style="info" %}
**Note:** Due to the nature of SIP trunking, our support and help scope is only offered up to and including the registration of your PBX with the sipgate network.
{% endhint %}

#### Configuring 3CX to register with sipgate trunking

In the 3CX Web Management Console open the **SIP Trunk** menu and click **+ Add SIP Trunk**.\
In the Pop-Up window choose the following:

* Select Country: Generic
* Select Provider: Generic

**Main Trunk No.**: Your sipgate phone number in E164 format e.g. 442033933909\
Next, under **General** enter the following settings.

#### Trunk Details

Enter name for Trunk: **sipgate**\
Registrar/Server/Gateway Hostname or IP: **sipconnect.sipgate.co.uk**\
Outbound Proxy: **sipconnect.sipgate.co.uk**

#### Authentication

Type of Authentication: Choose **Register - Account based** to use the Trunk for both incoming and outgoing calls.\
Authentication ID (aka SIP User ID): Your Trunk's SIP-ID\
Authentication Password: Your Trunk's SIP Password\
Click OK at the top of the page. The trunk should now register online.

{% hint style="info" %}
**Note:** Outbound Call parameter set up with sipgate trunking on the "SIP trunk" config page, in the outbound parameters tab, the "User" from field should be set to use: "AuthID" as authentication type.
{% endhint %}