# Notification manager

The Notification Manager allows **Administrators** to assign users to receive organization-level notifications regarding critical resources and statuses within Efento Cloud.

## Types of notifications

The following notifications can be configured:

* **Low SMS / Phone Call Balance:** Alerts when the remaining SMS or phone call credits fall below the threshold defined in the [Low SMS / phone calls balance notification threshold settings](#low-sms-phone-call-balance-notification-threshold).
* **Resource is about to expire**
  * **License Expiration:** Notifies when a license assigned to a sensor is approaching its expiration date or has expired.
  * **SIM Card Expiration:** Alerts when a SIM card installed in an Efento NB-IoT sensor is close to expiring.
  * **Sensor Calibration Reminder:** Sends a reminder when a sensor’s calibration date (defined during sensor setup) is due.
* **Phone number removal:** Notifies when a user assigned to an alarm rule with SMS or phone call notifications has removed their phone number from their profile, preventing delivery of alerts.

## Adding users to notifications

To assign users to a notification type, click **Add recipients +** and select the users who should receive the notification by checking the corresponding box next to their name.

To remove a recipient from notifications, simply uncheck the box next to the user’s name.

All notifications are sent via **email** to the addresses specified in the users’ profiles and are triggered automatically when the corresponding condition occurs, such as an approaching license expiration, a calibration due date, or a low SMS/phone call balance.

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## **Low SMS / phone call balance notification threshold**

Efento Cloud can automatically notify selected users when the remaining number of SMS messages or phone calls falls below a specified threshold. By default, notifications are sent when the balance drops below **10**, and repeated alerts are sent when it reaches **5** and **0**.

You can adjust the **threshold value** in the Notification manager. To do this enter the desired value in the **Low SMS / Phone Calls Notification Threshold** field.

Efento Cloud sends notifications at four key points:

1. When the number of available messages or calls reaches the set threshold.
2. When the balance falls to **50%** of the set threshold.
3. When the balance falls to **25%** of the set threshold.
4. When the balance reaches **0**, indicating no remaining SMS messages or phone calls.

These notifications help ensure that critical alerts continue to reach users without interruption.


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