> For the complete documentation index, see [llms.txt](https://wiki.inels.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wiki.inels.com/intercom/intercom-cloud/video-manual/general.md).

# General

### Device replacement

Need to swap a faulty or wrong intercom device? This short guide shows how the Replace Device function works in the iNELS Intercom Cloud by ELKO EP: enter the MAC address of the new device, wait for synchronization, finish the replacement and verify the completed task in the device log. Note that only devices of the same type can be replaced. 

What you will learn 

* Replace a device using the MAC address 
* Understand synchronization and replacement steps 
* Verify the task in the device log 

{% embed url="<https://youtu.be/73rckbIqPX0>" %}

### Message sending from cloud

This video shows the messaging function of the iNELS Intercom Cloud by ELKO EP. From the Reseller/Installer account you create a message, choose the recipients and write the content; the property manager then sees it under the bell icon and can forward it to all residents. A quick way to inform a whole site about service work or news.&#x20;

What you will learn&#x20;

* Create a message for selected recipients&#x20;
* Receive it as a property manager &#x20;
* Forward it to all residents&#x20;

{% embed url="<https://youtu.be/svPBRxi5-F4>" %}