NAGIOS Notifications by sms!

Tested On Fedora 14
And Gsm Nokia X-05

 Needed Packages:

yum install gammu.i686 wammu.noarch python-gammu.i686 gammu-libs.i686 gammu-devel.i686

#####################################################################################
First Config file
vi /etc/gammurc
[gammu]
port=/dev/ttyACM0
connection=at
name=Nokia X-05
synchronizetime = no
use_locking = no
:wq!
##########################
execute the following :
gammu --identify

Manufacturer         : Nokia
Model                : unknown (Nokia X5-01)
Firmware             : V ICPR82_10w18.7.7,18-10-10
IMEI                 : 555555555555
SIM IMSI             : 8888888888
####################
Now we will be able to send sms with the following
echo "Test message" | gammu --sendsms TEXT 
############################################
next create a script for send sms from nagios

vi /usr/local/nagios/sendsms.sh
#!/bin/bash

# Location of the logfile
# check the file is been created and updating (permission also check checkmod)
LOGFILE=/var/log/sms.log

# Determine the type of message.
case "$1" in
    'host')
    case "$NAGIOS_NOTIFICATIONTYPE" in
        'ACKNOWLEDGEMENT')
        MESSAGE="$NAGIOS_NOTIFICATIONTYPE \nHost '$NAGIOS_HOSTALIAS' is $NAGIOS_HOSTSTATE\nI: $NAGIOS_HOSTOUTPUT\nT: $NAGIOS_SHORTDATETIME\nA: $NAGIOS_HOSTACKAUTHOR R: $NAGIOS_HOSTACKCOMMENT"
        ;;
        'PROBLEM')
        MESSAGE="$NAGIOS_NOTIFICATIONTYPE \nHost '$NAGIOS_HOSTALIAS' is $NAGIOS_HOSTSTATE\nI: $NAGIOS_HOSTOUTPUT\nT: $NAGIOS_SHORTDATETIME\nR: "
        ;;
        'FLAPPINGSTART')
        MESSAGE="$NAGIOS_NOTIFICATIONTYPE \nHost '$NAGIOS_HOSTALIAS' is $NAGIOS_HOSTSTATE\nI: $NAGIOS_HOSTOUTPUT\nT: $NAGIOS_SHORTDATETIME\nR: "
        ;;
        'FLAPPINGSTOP')
        MESSAGE="$NAGIOS_NOTIFICATIONTYPE \nHost '$NAGIOS_HOSTALIAS' is $NAGIOS_HOSTSTATE\nI: $NAGIOS_HOSTOUTPUT\nT: $NAGIOS_SHORTDATETIME"
        ;;
        'RECOVERY')
        MESSAGE="$NAGIOS_NOTIFICATIONTYPE \nHost '$NAGIOS_HOSTALIAS' is $NAGIOS_HOSTSTATE\nI: $NAGIOS_HOSTOUTPUT\nT: $NAGIOS_SHORTDATETIME"
        ;;
    esac
    ;;
    'service')
    case "$NAGIOS_NOTIFICATIONTYPE" in
        'ACKNOWLEDGEMENT')
        MESSAGE="$NAGIOS_NOTIFICATIONTYPE \nH: $NAGIOS_HOSTNAME\nS: $NAGIOS_SERVICEDESC\nST: $NAGIOS_SERVICESTATE\nI: $NAGIOS_SERVICEOUTPUT\nT: $NAGIOS_SHORTDATETIME\nA: $NAGIOS_SERVICEACKAUTHOR R: $NAGIOS_SERVICEACKCOMMENT"
        ;;
        'PROBLEM')
        MESSAGE="$NAGIOS_NOTIFICATIONTYPE \nH: $NAGIOS_HOSTNAME\nS: $NAGIOS_SERVICEDESC\nST: $NAGIOS_SERVICESTATE\nI: $NAGIOS_SERVICEOUTPUT\nT: $NAGIOS_SHORTDATETIME\nR: "
        ;;
        'FLAPPINGSTART')
        MESSAGE="$NAGIOS_NOTIFICATIONTYPE \nH: $NAGIOS_HOSTNAME\nS: $NAGIOS_SERVICEDESC\nST: $NAGIOS_SERVICESTATE\nI: $NAGIOS_SERVICEOUTPUT\nT: $NAGIOS_SHORTDATETIME\nR: "
        ;;
        'FLAPPINGSTOP')
        MESSAGE="$NAGIOS_NOTIFICATIONTYPE \nH: $NAGIOS_HOSTNAME\nS: $NAGIOS_SERVICEDESC\nST: $NAGIOS_SERVICESTATE\nI: $NAGIOS_SERVICEOUTPUT\nT: $NAGIOS_SHORTDATETIME"
        ;;
        'RECOVERY')
        MESSAGE="$NAGIOS_NOTIFICATIONTYPE \nH: $NAGIOS_HOSTNAME\nS: $NAGIOS_SERVICEDESC\nST: $NAGIOS_SERVICESTATE\nI: $NAGIOS_SERVICEOUTPUT\nT: $NAGIOS_SHORTDATETIME"
        ;;
    esac
    ;;
esac

# Write to log file.
echo "*********************************************************" >> $LOGFILE
echo -e $MESSAGE >> $LOGFILE
echo "*********************************************************" >> $LOGFILE
echo -e "\n" >> $LOGFILE

# Send the alert.
echo -e $MESSAGE | /usr/bin/gammu --sendsms TEXT $NAGIOS_CONTACTPAGER

# Unset the variables used.
unset $MESSAGE

# Exit the program.
exit
:wq!

##########################

now add the command in nagios
##############################
vi /etc/nagios/objects/commands.cfg
define command {
            command_name    notify-service-by-sms
        command_line    /usr/local/nagios/sendsms.sh service
}
:wq!

####################

then in the contact file also
#################################
vi /etc/nagios/objects/contacts.cfg
service_notification_commands notify-service-by-sms
pager +91
:wq!
####################

I'm assuming that you already configured the contact details so not mentioning all those.
#######################################################################
Try to send a service test notification.