Créer un trunk Afin d’enregistrer un trunk Free PRO sur PBXware, plusieurs paramètres sont à configurer. Assurez vous que l’adresse IP publique/FQDN du PBXware est autorisée dans la liste blanche du trunk SIP. Rendez-vous dans la section Accueil > […]">
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Updated on October 22, 2025

Free PRO

Estimated reading: 2 minutes

In order to register a Free PRO trunk on PBXware, several parameters must be configured.

Make sure that the PBXware public IP address/FQDN is allowed in the SIP trunk whitelist.

Go to the section Home > Trunks located on the left side panel of PBXware (position yourself in the Master-Tenant in the case of a Multi-Tenant edition) and click the button Add a Trunk.

Choose Generic SIP as provider and click on Next step.

Fill in the following fields:

  • Name or number: Enter a name for your trunk
  • User type:peer
  • Peer host: enter one of the two SBC URLs provided by FreePRO:
    • siprouting.trunking.public.par01…(Paris)
    • siprouting.trunking.public.mar02… (Marseille)
  • Peer username: trunk username (ST0…)
  • Authentication name: enter the trunk username again (ST0…)
  • Peer secret: trunk password
  • Inbound IP addresses : enter the public IP address associated with the SBC entered in the field Peer host

Show the advanced options of the trunk and configure the following options:

  • Qualification (ms): 16000
  • Pass-thru mode: Yes
  • Sign up/Register: With identification name
  • Allow Remote-party-ID: Yes
  • Send the Remote-Party-ID: Use Remote-Party-ID

Finally, fill in the following additional configuration so that the trunk can automatically re-register in case of an outage (expand the additional configuration field at the bottom of the page by clicking the button Advanced) :

[registration] expiration=120 auth_rejection_permanent=no max_retries=1000 retry_interval=60 fatal_retry_interval=60 forbidden_retry_interval=120

In order to check whether the SIP trunk is properly registered, go to Admin settings > Asterisk CLI, then type the following command:

pjsip show registrations

Automatic switching

For the Free PRO trunk to keep working despite an outage/no response from one of the two SBCs mentioned above, duplicate your trunk and change only the SBC URL in the field Peer host as well as the IP address entered in the field Inbound IP addresses.

Thus if you have chosen the Paris SBC on your primary trunk, duplicate this trunk and replace the Paris SBC with the Marseille SBC. 

You should thus have the two trunks registered: 

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