provided by Star2Billing S.L.

[root@connect1]# service a2billing-callback-daemon start
Can't call method "val" on an undefined value at /var/lib/asterisk/a2billing/callback-daemon/a2billing-callback-daemon line 25.
Starting a2billing-callback-daemon:                        [FAILED]
[root@connect1]#

perl -MCPAN -e shell
install Config::IniFiles
exit

cpan> install Config::IniFiles
CPAN: Storable loaded ok
Going to read /root/.cpan/Metadata
  Database was generated on Mon, 06 Aug 2007 22:48:24 GMT
Going to read /root/.cpan/sources/authors/01mailrc.txt.gz
Going to read /root/.cpan/sources/modules/02packages.details.txt.gz
  Database was generated on Mon, 06 Aug 2007 22:48:24 GMT
CPAN: HTTP::Date loaded ok

  There's a new CPAN.pm version (v1.9102) available!
  [Current version is v1.7602]
  You might want to try
    install Bundle::CPAN
    reload cpan
  without quitting the current session. It should be a seamless upgrade
  while we are running...

Going to read /root/.cpan/sources/modules/03modlist.data.gz
Going to write /root/.cpan/Metadata
Config::IniFiles is up to date.

cpan> exit

[root@hyperion callback-daemon]# service a2billing-callback-daemon start
Can't call method "val" on an undefined value at /var/lib/asterisk/a2billing/callback-daemon/a2billing-callback-daemon line 25.
Starting a2billing-callback-daemon:                        [FAILED]
[root@hyperion callback-daemon]#

[root@hyperion asterisk]# ls -l a2billing.conf
-rwxrwxrwx  1 root root 30718 Aug  8 11:13 a2billing.conf
[root@hyperion asterisk]#

[root@hyperion nitesh]# /var/lib/asterisk/a2billing/callback-daemon/a2billing-callback-daemon
Can't call method "val" on an undefined value at /var/lib/asterisk/a2billing/callback-daemon/a2billing-callback-daemon line 25.
[root@hyperion nitesh]#

Summary of my perl5 (revision 5 version 8 subversion 8) configuration:
  Platform:
    osname=linux, osvers=2.6.17-vs2.0.2-gentoo, archname=i686-linux
    uname='linux rw 2.6.17-vs2.0.2-gentoo #1 smp thu sep 21 16:06:48 local time zone must be set--see zic i686 intel(r) xeon(tm) cpu 3.20ghz gnulinux '
    config_args='-des -Darchname=i686-linux -Dcccdlflags=-fPIC -Dccdlflags=-rdynamic -Dcc=i686-pc-linux-gnu-gcc -Dprefix=/usr -Dvendorprefix=/usr -Dsiteprefix=/usr -Dlocincpth=  -Doptimize=-O2 -march=pentium4 -pipe -fomit-frame-pointer -Duselargefiles -Dd_semctl_semun -Dscriptdir=/usr/bin -Dman1dir=/usr/share/man/man1 -Dman3dir=/usr/share/man/man3 -Dinstallman1dir=/usr/share/man/man1 -Dinstallman3dir=/usr/share/man/man3 -Dman1ext=1 -Dman3ext=3pm -Dinc_version_list=5.8.0 5.8.0/i686-linux 5.8.2 5.8.2/i686-linux 5.8.4 5.8.4/i686-linux 5.8.5 5.8.5/i686-linux 5.8.6 5.8.6/i686-linux 5.8.7 5.8.7/i686-linux  -Dcf_by=Gentoo -Ud_csh -Dusenm -Ui_ndbm -Ui_gdbm -Di_db'
    hint=recommended, useposix=true, d_sigaction=define
    usethreads=undef use5005threads=undef useithreads=undef usemultiplicity=undef
    useperlio=define d_sfio=undef uselargefiles=define usesocks=undef
    use64bitint=undef use64bitall=undef uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='i686-pc-linux-gnu-gcc', ccflags ='-fno-strict-aliasing -pipe -Wdeclaration-after-statement -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
    optimize='-O2 -march=pentium4 -pipe -fomit-frame-pointer',
    cppflags='-fno-strict-aliasing -pipe -Wdeclaration-after-statement'
    ccversion='', gccversion='4.1.1 (Gentoo 4.1.1)', gccosandvers=''
    intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
    ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
    alignbytes=4, prototype=define
  Linker and Libraries:
    ld='i686-pc-linux-gnu-gcc', ldflags =' -L/usr/local/lib'
    libpth=/usr/local/lib /lib /usr/lib
    libs=-lpthread -lnsl -ldb -ldl -lm -lcrypt -lutil -lc
    perllibs=-lpthread -lnsl -ldl -lm -lcrypt -lutil -lc
    libc=/lib/libc-2.4.so, so=so, useshrplib=false, libperl=libperl.a
    gnulibc_version='2.4'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-rdynamic'
    cccdlflags='-fPIC', lddlflags='-shared -L/usr/local/lib'


Characteristics of this binary (from libperl):
  Compile-time options: PERL_MALLOC_WRAP USE_LARGE_FILES USE_PERLIO
  Built under linux
  Compiled at Sep 26 2006 03:27:50
  @INC:
    /etc/perl
    /usr/lib/perl5/vendor_perl/5.8.8/i686-linux
    /usr/lib/perl5/vendor_perl/5.8.8
    /usr/lib/perl5/vendor_perl
    /usr/lib/perl5/site_perl/5.8.8/i686-linux
    /usr/lib/perl5/site_perl/5.8.8
    /usr/lib/perl5/site_perl
    /usr/lib/perl5/5.8.8/i686-linux
    /usr/lib/perl5/5.8.8
    /usr/local/lib/site_perl
    .

diff --git a/CallBack/callback-daemon/a2billing-callback-daemon b/CallBack/callback-daemon/a2billing-callback-daemon
index 8b64cb5..d34a5ec 100755
--- a/CallBack/callback-daemon/a2billing-callback-daemon
+++ b/CallBack/callback-daemon/a2billing-callback-daemon
@@ -21,6 +21,14 @@ my $conf_file = "/etc/asterisk/a2billing.conf";
# Read the config file
my $cfg = Config::IniFiles->new( -file => $conf_file );

+if (not defined $cfg) {
+       print "Failed to parse $conf_file: \n";
+       foreach(@Config::IniFiles::errors) {
+               print "Error: $_\n" ;
+       }
+       exit(1);
+}
+
######################### DB PARAMETER ########################
my $dbname = $cfg->val('database', 'dbname');
my $dbhost = $cfg->val('database', 'hostname');