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How to Set Up and Use Presence and BLF on the Desktop Softphone

Learn how to enable Presence and BLF (Busy Lamp Field) on the Unitel Voice Desktop Softphone, add employee extensions to Contacts, and monitor coworkers' call status.

The Unitel Voice Desktop Softphone supports Presence and Busy Lamp Field (BLF) features, allowing team members to monitor the availability and call status of other employees.

These features help teams communicate more efficiently by showing whether coworkers are available or currently on a call.

What Is Presence?

Presence provides information about another employee's availability.

Depending on your organization's configuration, Presence can help team members identify whether someone is available, busy, or unavailable.

What Is BLF (Busy Lamp Field)?

BLF allows you to monitor the phone status of other employee extensions.

BLF uses color indicators to display an extension's call status:

  • Off Call (Grey): The extension is not currently on a call.

  • On Call (Blue): The extension is currently in use.

This is especially helpful for receptionists, administrative staff, and teams that frequently transfer calls between employees.

How to Enable BLF on the Desktop Softphone

To enable BLF, you'll first need the Extension ID of the teammate you want to monitor. You can find this information in their Employee Extension settings in your Unitel Voice Dashboard.

Step 1: Find the Employee's Extension ID

  1. Log in to your Unitel Voice Dashboard.

  2. Click Extensions.

  3. Click Edit next to the Employee Extension you want to add.

  4. Scroll down to the App section.

  5. Copy the Extension ID. This ID will begin with 020.

Step 2: Add the Employee to Your Desktop Softphone

  1. Open your Unitel Voice Desktop Softphone.

  2. Click Contacts.

  3. Click the + icon to add a new contact.

  1. Enter the employee's name in the Display Name field.

  2. In the URI field, paste the Extension ID you copied earlier (beginning with 020).

  3. Toggle Enable BLF to ON.

  4. Click Save.

Step 3: Monitor Employee Call Status

Once you've saved the contact with BLF enabled, you'll be able to see their extension's call status in your Desktop Softphone Contacts.

  • Grey: The employee's extension is not currently on a call.

  • Blue: The employee's extension is currently on a call.

Repeat these steps for any additional employees you'd like to monitor.

Note: Presence and BLF availability may vary depending on your Unitel Voice account configuration.

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