There are two ways that a user can set the agent mobile number to show in dash:

Auto-filled when adding new agents

1. Go to Settings menu
2. Click Setup
3. Go to application settings
4. Choose New agent default values
5. Look for Show mobile on internet, set the value to True
6. Click save

Manually set the agent mobile to show

1. Click People menu
2. Click search
   • a new window will appear, fill in accordingly
3. Click Agent Basics 
4. Click the plus (+) button next to preferences
5. Select Show mobile phone on profile
6. Click save
7. Click submit