Category: Asterisk (Issabel, FreePBX, Elastix, Trixbox)

Problem with opening call monitoring recording file, 404 File not found! (Elastix)

If each time you try to open monitor recordings on Elastix you receive the message 404 File not found!, this is a simple solution for the issue (worked for elastix-2.5.0-1): Go to

and edit index.php On line 384 insert the line:

so it will look like that:

save it.

Secure Issabel and Elastix PBX (asterisk)

Change default sip port from 5060 to something else for example 11333.

add the following to the file:

(Change 5060 to your new port).

Don’t forget to add the new port into Fail2Ban.

Define the new port on firewall Disable unused rules and add a one with the new port Reduce […]

Easy install Issabel PBX on Centos 7

After a successful centos installation type the following:


Let’s Encrypt certificate installation problem (Issabel PBX)

If you try to install Let’s Encrypt certificate via Issabel web interface and it is failed you can installed from ssh.

If you get the message “Problem binding to port 80: Could not bind to IPv4 or IPv6.” try

After the certification creation via ssh, you can renew it easily via web interface.

Missed calls Notification on Email (Issabel, FreePBX, Elastix, Asterisk)

This is a simple cronJob to send automatic a custom CDR email every 10 minutes that will include all missed calls of this period. Create a php file named missed_calls.php

and store it here

Finally create an every minute cronjob named missed_calls.cron

and store it here


Setup SIP account – Zoiper


SIP port forwarding (FreePBX, Elastix, Asterisk)

From any sip client, remotely, you have to use: your-ip:9998    

Setup audio streaming (FreePBX, Elastix, Trixbox)

Use the following line to stream an online radio station:


Flash operator panel (FOP) – Zap extensions fix

This solution fixes the problem with zap extensions who doesn’t work with the flash operator panel. Edit file:

Find [Zap/1] and replace with [DAHDI/1] and so on for other channels. Source:

Hang up problem on pstn lines – FreePBX Asterisk

Hang up problem on pstn lines open and edit file:

find and uncomment:


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