Common Problems and Solutions for Ubuntu+Asterisk+FreePBX Installation

1.Some dependencies error   (1).configure: error: no acceptable C compiler found in $PATH Solution:apt-get install gcc   (2).configure: error: C++ preprocessor “/lib/cpp” fails sanity check Solution:apt-get install g++ or apt-get install build-essential (3). configure: *** XML documentation will not be available because the ‘libxml2’ development package is missing. configure: *** Please run the ‘configure’ script with the ‘–disable-xmldoc’ parameter option configure: *** or install the ‘libxml2’ development package. Solution:install libxml2-dev doesn’t help,run ./configure '--disable-xmldoc' (4). configure: error: *** termcap support not found (on modern systems, this typically means the ncurses development package is missing) Solution:apt-get install ncurses-dev (5). [FATAL] PEAR must be install (reauires DB.php). Include path: .:/usr/share/pear:/usr/local/src/PEAR Solution:pear install db   2.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: vi /etc/apache2/httpd.conf default it’s a empty file,add two lines User asterisk Group asterisk Restart apache service. /etc/init.d/apache2 restart   3.Softphone registration error Problem:After adding Extensions in FreePBX,soft phone can’t register extensions.       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. Restart 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. iptables -F 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.