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Configuring MIXvoip SIP trunk in 3CX

MixVoip Trunk

MixVoip Trunk

About MixVoip

System Preparation

3CX Version

Provider Capabilities

Configuring the Trunk with 3CX

Adding the Trunk

Adding Additional DIDs

Creating Inbound Rules

Caller ID & DTMF Settings

Number Format

General

Outbound Caller ID

Outbound Rules

Additional Information

Faxing

About MixVoip

Since 2008 MIXvoip has been offering their high quality telco services. Based in Luxembourg, MIXvoip provides SIP trunks to customers around the world. MIXvoip’s business SIP trunk is now certified for use with 3CX 15.5.

Reference website: MixVoip

System Preparation

Before configuring the SIP trunk it is required to go through the following checklist and make changes where necessary:

Further setup information can be found in our Academy: 3CX Academy Basic course

3CX Version

Some providers gained support and compatibility with 3CX on a specific product version. It is advisable to always run the latest version of 3CX to ensure ongoing compatibility.

Minimum 3CX Version: 3CX Phone System 15.5 SP1

Provider Capabilities

Below is a short overview of the provider's capabilities and services and whether they’re supported or not:

  1. CLNS (Clip No Screening): Yes
  2. Catch All Routing: Yes
  3. Fax in T38: Yes
  4. Fax in G711: Yes
  5. CLIR (Number Suppression):        Yes
  6. DTMF via RFC 2833:        Yes
  7. Codec Order: G711A ,H264
  8. NAT Support: Yes
  9. Other: SRTP, Video

Configuring the Trunk with 3CX

The general instructions outlining how to add a new SIP Trunk to your 3CX installation can be found here.

Adding the Trunk

More specifically please make sure that the correct template is selected when adding the trunk to the phone system. The template can be found under LU in the “Add SIP Trunk” menu. You will be asked for the main trunk number which should be in E164 format (e.g. +358135791691). Once you click the OK button the general settings page will open where the registration details can be configured

You will need to fill in the Authentication ID and Authentication Password. These will be provided by MixVoip with the acquisition of the trunk.

Adding Additional DIDs

To associate all other DIDs/Numbers you have in your MixVoip account with 3CX, you must go to the Management Console → SIP Trunks, double-click on your MixVoip Trunk and go to the “DIDs” tab.

Here you should already see 1 entry that is the Main Trunk number you have set. Add all other DIDs/Number you have to the list in a E164 Number format (e.g. +352135791691) and press OK once you have finished.

Creating Inbound Rules

Now that you have associated all your DIDs/Number with your SIP Trunk in 3CX, you can create Inbound Rules to set where calls will be routed when those numbers are called. Instructions on how to create Inbound Rules can be found here.

Caller ID & DTMF Settings

MixVoip has a user login portal where additional configuration can be made. To login to the portal you need to navigate to https://pbx.mixvoip.com/  and use the trunk credentials to login.

Once you are logged in, navigate to the Voip Settings tab. There you should set:

  • “Caller ID Number” to Dynamic
  • “DTMF mode” to RFC2833

You can also add more codecs if you require them.

You can also see and edit your credentials from the User management tab.

Number Format

General

When configuring MixVoip Trunks in 3CX, numbers must be entered in an international format (e.g. +352135791691).

Outbound Caller ID

MixVoip SIP Trunks supports any number in the correct format to be sent as outbound caller ID.

Outbound Rules

There are no special instructions regarding Outbound Rules that are required, numbers can be dialed either in national format , or full + e164 format (e.g. +352135791691)

Additional Information

Faxing

To be able to set and receive Fax through T.38, you need to access the MixVoIP portal and create a user under the “User Management” tab with a username ending in Fax and register that user as a new trunk in the 3CX management console. This new Trunk will only be used only for sending and receiving Faxes.

Once you created the user you can click on the name and a new page will open where the credentials for that user will be retrieved.

 

 

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