Common Problems and Solutions for CentOS+Asterisk+FreePBX Installation

1.Unknown SQL engine

Problem:After installing the FreePBX,admin page show  the following message:

 

FATAL ERROR

Unknown SQL engine: []

Trace Back

/var/www/html/admin/common/db_connect.php:57 die_freepbx()

[0]: Unknown SQL engine: []

/var/www/html/admin/bootstrap.php:75 require_once()

[0]: /var/www/html/admin/common/db_connect.php

/var/www/html/admin/config.php:61 require()

[0]: /var/www/html/admin/bootstrap.php

 

Solution:

vim +231 /etc/httpd/conf/httpd.conf

change User apache and Group apache to User asterisk and Group asterisk.

vim +327 /etc/httpd/conf/httpd.conf

change None to All.

or use sed to replace.

sed -i '231,232s/apache/asterisk/i;327s/none/All/i' /etc/httpd/conf/httpd.conf

Restart apache service.

service httpd restart

 

2.Asterisk is not running,

Problem:After installing the FreePBX,the Server Status Panel of admin page show the following message:

 

Asterisk ERROR

Asterisk is not running, this is a critical service!

 

Solution:

vim +$ /etc/asterisk/manager.conf

Press dddd to delete the last two lines and press ZZ to save&quit.

or use sed to delete the last line twice.

sed -i '$d' /etc/asterisk/manager.conf

sed -i '$d' /etc/asterisk/manager.conf

Restat the asterisk service.

service asterisk restart

 

3.Softphone registration error

Problem:After adding Extensions in FreePBX,soft phone can’t register extentsions.

 

 

 

Solution:

Log in your asterisk (asterisk -r) and press sip show peers,if no such command,

run module load chan_sip.so,load the sip module.

Restat the asterisk service.

core restart now

If nothing changes,maybe firewall blocks asterisk,you should disable the firewall and prevent it from starting on reboot.

service iptables stop
chkconfig iptables off

 

4.Soft phone can’t connect to eachother

Problem:Softphone  can register freepbx extensions but can’t connect to eachother.

 

 

Log in your asterisk (asterisk -r),when soft phone registering,asterisk show error:

chan_sip.c:8876 process_sdp: No compatible codecs, not accepting this offer!

 

Solution:

Make sure  that you have selected a-law or u-law in soft phone selected codecs

 

 

 

 

or select the proper codecss in a FreePBX EXTENSION configuration.