The following guide is for configuring a 3CX PBX with a VoIPtalk SIP trunk.

Note: This guide will work with 3CX version V15.0 and higher. Please make sure all updates have been installed.

You will need:

The VoIPtalk ID – You can find it by logging to your VoIPtalk panel via the website voiptalk.org

The VoIPtalk password – You can find it by clicking on the VoIPtalk ID in your VoIPtalk control panel.

Adding SIP Trunk

1-) Click on 'SIP Trunks' from the left-hand menu and select 'Add SIP Trunk'.

Select Country: UK

Provider: 500 Limited SIP trunk Plus

Main Trunk: Your VoIPtalk Incoming Number/DID

2-) Clicking on 'OK' will open a new page in which additional trunk details are to be filled.

Name of Trunk: VoIPtalk

Registar/Server/Gateway Hostname or IP: voiptalk.org - 5060

Outbound Proxy: nat.voiptalk.org  - 5065

Number of SIM Calls: Set any value (a value less than or equal to the number of channels available for the account)

Authentication ID (SIP User ID): Your VoIPtalk ID

Authentication password: Your VoIPtalk password

Main Trunk No: Your VoIPtalk incoming number

3-) Click on the DIDs tab to add incoming numbers.

4-) Click 'OK' at the top of the page to save these settings.

Adding Outbound Rules

1-) Click on 'Outbound Rules' from the left hand menu and select 'Add button'.

2-) Enter the name for the new rule.

3-) Specify the criteria that should be matched for this outbound rule to be triggered.

4-) Click 'Ok' at the top of the page to save this rule.

Note: The below example uses the 'Default' extension group to define the numbers to which this rule will apply.

Routing inbound calls from VoIPtalk to the PBX

1-) Go to www.voiptalk.org

2-) Click on 'Login' and enter your user name and password.

3-) Click on your incoming number from the list.

4-) Select 'Route to a SIP PBX' from the configuration option drop down list.

5-) Click 'Select Option' and 'Route to SIP PBX' button.

6-) Your 3CX PBX is now ready to make and receive calls.