Hello list, This is my first port on the list. I'm trying to monitor one of my asterisk servers using the check_asterisk and the check_sip plugins. I just follow the steps related in the readme file, but no one works for me in teh nagios web interface. If I execute them in a linux console, with the sipuri and port both works ok. But in Nagios web interface, both shows a message like (No output!). Is those plugins working to monitoring asterisk? Do you use them? Why appears (No output!)? How could I debug them? Could someone of you paste a valid check_sip and check_asterisk configuration for use with Nagios? Thanks in advance. VoipCrazy. My config is as follow: ---------------------First the defining the services--------------------------- define service{ use generic-service host_name -PBX service_description SIP test check_command check_sip!sip:108@192.168.30.10!5060 contact_groups admins max_check_attempts 4 normal_check_interval 5 retry_check_interval 1 notification_interval 240 check_period 24x7 notification_period 24x7 notification_options c,r } define service{ use generic-service host_name -PBX service_description Asterisk test check_command check_asterisk!sip:108@192.168.30.10!5060 contact_groups admins max_check_attempts 4 normal_check_interval 5 retry_check_interval 1 notification_interval 240 check_period 24x7 notification_period 24x7 notification_options c,r } ------------------The host----------------------------------------------------- define host{ use linux-server ; Name of host template to use ; This host definition will inherit all variables that are defined ; in (or inherited by) the linux-server host template definition. host_name -PBX alias VoIP-PBX address <a href="http://192.168.30.10">192.168.30.10</a> } --------------- Defining the commands----------------------------------- #Check_SIP define command{ command_name check_sip command_line $USER1$/check_sip -u $ARG1$ -H $HOSTADDRESS$ -w 5 } # Check_asterisk define command{ command_name check_asterisk command_line $USER1$/check_asterisk -U $ARG1$ -P $ARG2$ -w 500 -c 1000 }