How to Integrate Multi-Tech iSMS Gateway with Nagios XI for SMS Alerts

Integrating Multi-Tech iSMS with Nagios XI enables out-of-band (OOB) SMS notifications, ensuring that critical alerts reach administrators reliably. This guide provides step-by-step instructions on setting up and configuring the Multi-Tech iSMS GSM modem for seamless integration with Nagios XI.

Prerequisites

Before proceeding, ensure you meet the following requirements:

• A Multi-Tech iSMS GSM modem
• Administrative access to Nagios XI
• Network connectivity between the iSMS modem and the Nagios XI server
• An active SMS service plan for the iSMS modem

Configuring the iSMS Modem

To enable Nagios XI to send SMS alerts, configure the iSMS modem’s HTTP Send API:

1. Log in to the iSMS administration interface.
2. Navigate to SMS Services > Send API.
3. Enable the HTTP Send API Status checkbox.
4. Click Save to apply the changes.

Installing the iSMS Component in Nagios XI

If the iSMS component is not already installed in Nagios XI, follow these steps:

1. Download the iSMS component from Nagios XI components repository.
2. Log in to Nagios XI as an administrator.
3. Navigate to Admin > System Extensions > Manage Components.
4. Upload the downloaded isms.zip file.

Configuring the iSMS Component

Once installed, configure the iSMS component by following these steps:

1. Click the settings icon next to the iSMS component.
2. Enable Integration by checking the appropriate option.
3. Enter the IP Address of the iSMS modem.
4. Ensure the HTTP Port matches the iSMS modem settings (default: 81).
5. Enter the Username and Password for authentication.
6. Click Apply Settings to save the configuration.

Enabling SMS Alerts for Users

Each user who wants to receive SMS alerts must enable them in their account settings:

1. Navigate to Account Settings > Notification Methods.
2. Click the iSMS tab.
3. Check the SMS Text Message option and enter your mobile number.
4. Click Update Settings to enable SMS notifications.

Customizing SMS Alert Messages

Users can customize the content and format of their SMS notifications:

1. Go to Account Settings > Notification Messages.
2. Click the iSMS tab.
3. Customize the alert messages for both hosts and services using macros.
4. Refer to the Nagios XI Notification Variables documentation for supported macros.

Conclusion

Integrating Multi-Tech iSMS with Nagios XI provides a reliable method for receiving critical system alerts via SMS. By following this guide, administrators can ensure efficient monitoring and timely response to system issues. For additional support, visit the Nagios Support Forum or Nagios Knowledgebase.