> ## Documentation Index > Fetch the complete documentation index at: https://moengage.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # Configure SMS, MMS & RCS General Settings > Configure general settings for SMS, MMS, and RCS channels in MoEngage, including mobile number format options and default messaging preferences. This article describes how to configure the **General Settings** for the SMS, MMS & RCS channels. 1. On the left navigation menu in the MoEngage UI, go to **Settings** > **Channels** > **SMS, MMS & RCS** > **General settings**[.](https://app.moengage.com/v3/#/settings/6/3) The following option is available: | Field | Description | | ---------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | **User attribute that stores user's mobile numbers** | Select the attribute that stores the mobile number of users from the drop-down list. The standard attribute for storing the user's mobile number is *Mobile Number (Standard)* in MoEngage, and this is selected in the drop-down list by default. | 2. Click **Save** to save the configuration. 3. You can also set the mobile number format for the application. Click the **Set the mobile number format** link. You are taken to the Mobile number management page. For more information, refer to [Mobile Number Standardization](/user-guide/settings/advanced-settings/mobile-number-standardization). Screenshot 2025-09-11 at 2.13.24 PM.png