Asterisk monitorig tool

Hi,

Could you please assist to me best monitoring tool for asterisk software?
Even i have tried with asterisk but could not… i downloaded the check_asterisk and change the file permission.
and gave the command such as

[root@localhost libexec]# /usr/local/nagios/libexec/check_asterisk -H 10.10.1.254
Unknown option: H
Invalid URL: 10.10.1.254
[root@localhost libexec]# /usr/local/nagios/libexec/check_asterisk -H 10.10.1.41
Unknown option: H
Invalid URL: 10.10.1.41
[root@localhost libexec]# /usr/local/nagios/libexec/check_asterisk
URL not specified
[root@localhost libexec]#

help me to rectify this issue.

Thanks and regards,
Kalyanasundaram

Maybe the nagios forum is a better location to ask this quesiton…

But what is the result of > /usr/local/nagios/libexec/check_asterisk --help

Should show you the correct way to give the command.