# How to Configure BLF on Virtual Multi-Purpose Key

The following steps will allow you to configure BLF and Speed Dial keys on your Grandstream IP phone.

**Requirements:**

* LAN access to your Grandstream IP phone

## Steps

1\. Log Into IP Phone

![](https://3953723498-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LYYiX2aEcPAPdzrvDc4%2Fuploads%2F95tmC0ecrhlWcC0j8PuR%2Fimage.png?alt=media\&token=2f564f1a-6720-483e-b592-bbb2efa72678)

2\. Navigate to **Settings >** **Programmable Keys >** **Virtual Multi-Purpose Keys**

![](https://3953723498-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LYYiX2aEcPAPdzrvDc4%2Fuploads%2F8lMud6mlE7WKbWqmIMb0%2Fimage.png?alt=media\&token=3f9691f0-e19c-4dcc-98cb-d3a096b39800)

* The buttons for the phone will appear in numbered order going down the left side then down the right side. It is recommended to leave line 1 as it is used for registration
* On the key you wish to modify, select **Edit VPK**

![](https://3953723498-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LYYiX2aEcPAPdzrvDc4%2Fuploads%2FF0szrpEFhQcNA8Q8mA85%2Fimage.png?alt=media\&token=0d280f33-04e6-49b3-b465-5b8d163288ec)

* Enter the values described below:

  * **Mode**: Busy Lamp Field (BLF)
  * **Accounts**: Account 1
  * **Description**: Label you wish to appear on the screen (i.e. extension number)
  * **Value**: Extension number you wish to monitor (i.e. 4371\*011)
  * Click **Save**

Continue the process for as many BLF keys as you wish At the end of the list, you may press **Add VPK** to continue adding more.\ <br>

![](https://3953723498-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LYYiX2aEcPAPdzrvDc4%2Fuploads%2FEZ6nR8TyEinfq02WdDXo%2Fimage.png?alt=media\&token=ae178fd3-5779-48ce-b952-991d63976b7c)

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