MikoPBX and FreePBX (PJSIP)
Instructions for integrating multiple PBX systems
Creating a Provider on MikoPBX
In MikoPBX, go to "Routing" → "Telephony Providers":
Add a new SIP provider by clicking "Connect SIP":
Fill in the following parameters:
Provider Name – any name
Account Type – Inbound Registration
Copy the login and password; you will need them later.
Creating a Trunk on FreePBX
In the FreePBX interface, go to "Connectivity" → "Trunks":
Add a new trunk of type "chan_pjsip".
Insert the MikoPBX provider’s login into the "Trunk Name" field:
Go to "pjsip Settings" → "Advanced":
From User – your MikoPBX provider login
Trust RPID/PAI – "yes"
Send RPID/PAI – "Send Remote-Party-ID header"
On the "Dialed Number Manipulation Rules" tab, define your dial patterns:
Save the changes.
Registration Variants
Next, choose one of the two registration methods:
FreePBX Registers on MikoPBX
MikoPBX Registers on FreePBX
Set a password (complex, arbitrary). It must be the same on both MikoPBX and FreePBX.
In the MikoPBX “advanced settings” of your provider, under "Additional Parameters," include:
Save and apply the changes.
Routing Configuration
If necessary, define a separate route for each DID to direct calls to the correct destination (e.g., if a FreePBX user dials 202, route it to extension 202 on MikoPBX):
Go to "Connectivity" → "Inbound Routes" in FreePBX and define an inbound route:
Go to "Connectivity" → "Outbound Routes" in FreePBX and define an outbound route:
Subscriber Statuses
Sometimes users on one PBX need to see the statuses of users on the other PBX, for example when using BLF on phones or “Telephony Panel for 1C.” To configure statuses:
MikoPBX
List all internal extensions configured on FreePBX.
{% hint style="success" %} Replace "SIP-TRUNK-41C1B8B4" with your MikoPBX provider ID and "172.16.156.216" with the FreePBX address as appropriate. {% endhint %}
FreePBX
Use the "Config Edit" module to edit files.
In "extensions_custom.conf," add all of MikoPBX’s internal extensions:
In "pjsip_custom.conf," add:
{% hint style="success" %} Replace "SIP-TRUNK-41C1B8B4" with your MikoPBX provider ID and "172.16.156.216" with the FreePBX address, as needed. {% endhint %}
{% hint style="danger" %} The outbound_auth=SIP-TRUNK-41C1B8B4 option applies only if FreePBX registers on MikoPBX. Status sharing was tested only under this registration scenario. {% endhint %}
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