3CX SIP Trunk Providers - France
The SIP Trunk Providers listed for France have demonstrated compatibility with the 3CX Phone System. They are categorized as either 3CX Tested, where testing is completed directly by 3CX, or VoIP Provider Tested, where the provider completes the required testing and submits the results to 3CX for review. We recommend choosing a listed provider and checking its interoperability category, capabilities and configuration notes before setup.
For hosted installations, registration-based trunks that do not require a fixed IP are preferred. In certain cases, the public IP address of a Hosted by 3CX system may change. Although uncommon, this can temporarily affect incoming and outgoing calls when using an IP-based trunk.
Read our guide on how to configure a SIP Trunk / VoIP Provider. It explains the general steps for configuring a trunk with 3CX. Some providers have additional requirements, so check the provider’s listing and follow any configuration notes or guides provided.
3CX Tested
These providers have been tested directly by 3CX and meet the applicable technical, support and commercial requirements. Their pre-configured templates are available in 3CX for quick and easy setup.
Capabilities
| SMS Support | No |
| Anonymous Calling | Yes |
| Clip No Screening Support | Yes |
| Fax Support | No |
| SIP TLS Support | Yes |
| IPV6 Ready | No |
| Online Sign-Up & Portal | No |
Important Configuration Notes
Bouygues Telecom trunks support TLS without additional configuration.
Enter the main trunk number in the E164 number format.
Capabilities
| SMS Support | Yes |
| Anonymous Calling | Yes |
| Clip No Screening Support | No |
| Fax Support | No |
| SIP TLS Support | No |
| IPV6 Ready | No |
| Online Sign-Up & Portal | Yes |
Important Configuration Notes
Enter the main trunk number as E164.
Be sure to follow the configuration guide.
VoIP Provider Tested
These providers have completed the required 3CX interoperability testing and submitted their results for review. Once approved, their pre-configured templates are made available in 3CX. This category does not mean that 3CX has directly tested the provider’s overall service.
Capabilities
| SMS Support | No |
| Anonymous Calling | Yes |
| Clip No Screening Support | Yes |
| Fax Support | Yes - Audio |
| SIP TLS Support | No |
| IPV6 Ready | No |
| Online Sign-Up & Portal | Yes |
Important Configuration Notes
Enter the main trunk number as E164.
Be sure to follow the configuration guide.
Capabilities
| SMS Support | No |
| Anonymous Calling | Yes |
| Clip No Screening Support | No |
| Fax Support | Yes - T38 Bypass |
| SIP TLS Support | No |
| IPV6 Ready | No |
| Online Sign-Up & Portal | No |
Important Configuration Notes
Enter the main trunk number as E164.
You can only present numbers associated with your account as Outbound Caller ID.
Keyyo can enable you to send additional numbers as caller IDs, but it has to be manually enabled after a disclaimer is signed that the numbers you are presenting belong to you.
Capabilities
| SMS Support | No |
| Anonymous Calling | Yes |
| Clip No Screening Support | No |
| Fax Support | No |
| SIP TLS Support | No |
| IPV6 Ready | No |
| Online Sign-Up & Portal | Yes |
Important Configuration Notes
Enter the main trunk number in the national number format (e.g. 0686579014).
Koesio only supports one trunk per public IP.
Capabilities
| SMS Support | No |
| Anonymous Calling | Yes |
| Clip No Screening Support | No |
| Fax Support | Yes - T38 Bypass |
| SIP TLS Support | Yes |
| IPV6 Ready | No |
| Online Sign-Up & Portal | No |
Important Configuration Notes
Enter the main trunk number as E164.
The template can work with the following Orange architectures
1. BTalk over BVPN
2. BTIP over BVPN
3. BTalk over Internet
4. BTIP over Internet
Important: "BTalk over Internet" and "BTIP over Internet" are only compatible with a custom FQDN and the following SSL authorities: Digicert, Certigna and Sectigo
Capabilities
| SMS Support | No |
| Anonymous Calling | Yes |
| Clip No Screening Support | No |
| Fax Support | Yes - Audio |
| SIP TLS Support | No |
| IPV6 Ready | No |
| Online Sign-Up & Portal | Yes |
Important Configuration Notes
Enter the main trunk number in the E164 number format (e.g. +33686579014).
You can only present numbers associated with your account as Outbound Caller ID.
Capabilities
| SMS Support | No |
| Anonymous Calling | Yes |
| Clip No Screening Support | No |
| Fax Support | Yes - Audio |
| SIP TLS Support | No |
| IPV6 Ready | No |
| Online Sign-Up & Portal | No/Yes |
Capabilities
| SMS Support | No |
| Anonymous Calling | Yes |
| Clip No Screening Support | Yes |
| Fax Support | Yes - T38 Bypass |
| SIP TLS Support | No |
| IPV6 Ready | No |
| Online Sign-Up & Portal | Yes |
Important Configuration Notes
Enter the main trunk number in the national number format (e.g. 0686579014).
Be sure to follow the configuration guide.
Capabilities
| SMS Support | No |
| Anonymous Calling | Yes |
| Clip No Screening Support | Yes |
| Fax Support | Yes - T38 Bypass |
| SIP TLS Support | No |
| IPV6 Ready | Yes |
| Online Sign-Up & Portal | No/Yes |
Important Configuration Notes
Enter the main trunk number as E164.
Sewan supports SRTP. Enable it from the trunk settings "Options > Advanced > SRTP Mode".
Sewan is 3CX Hosting compatible. If you are using Hosted by 3CX you need to inform them and provide them with your public IP.
Capabilities
| SMS Support | No |
| Anonymous Calling | Yes |
| Clip No Screening Support | Yes |
| Fax Support | Yes - Audio |
| SIP TLS Support | No |
| IPV6 Ready | No |
| Online Sign-Up & Portal | No/Yes |
Important Configuration Notes
Enter the main trunk number as E164.
The default caller number field must be filled in with the NDI provided by the operator.

Capabilities
| SMS Support | No |
| Anonymous Calling | Yes |
| Clip No Screening Support | Yes |
| Fax Support | No |
| SIP TLS Support | No |
| IPV6 Ready | No |
| Online Sign-Up & Portal | No/Yes |
Important Configuration Notes
Enter the main trunk number in the national number format (e.g. 0686579014).
International calls must be dialed with "00" and not "+". Local calls can be called in all formats.
To use the "Clip No Screening" functionalities, enable the option “Allow Outgoing calls with a different number” from the "Settings" of your VoiceManager portal.
















