BTW FS cpu usage is 85% with this command "ps -eo pcpu,pid,user,args | sort -k 1 -r | head -20" and returns: %CPU PID USER COMMAND 86.9 1871 root /usr/local/freeswitch/bin/freeswitch -nc 7.6 1929 root /usr/local/plivo/bin/python /usr/local/plivo/bin/plivo-rest -d -c /usr/local/plivo/etc/plivo/default.conf -p /usr/local/plivo/tmp/rest-default.pid 41.8 1672 mysql /usr/libexec/mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql --log-error=/var/log/mysqld.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock 3.7 4467 atel /usr/bin/php -q /var/www/ictdialer/www/modules/broadcast/broadcast_service 668 1060 3.5 4469 atel /usr/sbin/httpd 3.5 4461 atel /usr/sbin/httpd 3.5 4458 atel /usr/sbin/httpd 3.4 7817 atel /usr/sbin/httpd 3.4 4470 atel /usr/sbin/httpd 3.4 4456 atel /usr/sbin/httpd 3.4 4455 atel /usr/sbin/httpd 3.3 4464 atel /usr/sbin/httpd 3.3 4459 atel /usr/sbin/httpd 3.3 18698 atel /usr/sbin/httpd 3.2 4462 atel /usr/sbin/httpd 3.2 4460 atel /usr/sbin/httpd 3.1 4457 atel /usr/sbin/httpd 18.7 1938 root /usr/local/plivo/bin/python /usr/local/plivo/bin/plivo-outbound -d -c /usr/local/plivo/etc/plivo/default.conf -p /usr/local/plivo/tmp/outbound-default.pid 1.0 13471 root ps -eo pcpu,pid,user,args fs version is 1.5 fs_cli> status freeswitch@internal> status UP 0 years, 0 days, 1 hour, 12 minutes, 42 seconds, 448 milliseconds, 342 microseconds FreeSWITCH (Version 1.5.0 ) is ready 14668 session(s) since startup 249 session(s) - 4 out of max 100 per sec 1288 session(s) max min idle cpu 0.00/67.00 Current Stack Size/Max 240K/8192K ---------- Forwarded message ---------- From: Sayyed Mohammad Emami Razavi <emamirazavi@gmail.com> Date: Mon, Jun 10, 2013 at 9:28 PM Subject: ICTDIALER stays on 300 concurrent calls To: freeswitch-users@lists.freeswitch.org ICTDIALER makes calls from 1 to 300 but it stays on almost 300 connection. I have 1200 ports(40 E1) but it can not exceed 300 concurrent calls! any configuration should i set in FS, Plivo, Httpd or ...? i have HP G8 with ICTDIALER VM 8 cores and 16GB RAM! any suggestion guys? PLZ help me asap! regards.