Figure 5: Add Extension Value on Line Keys
7. Go to the bottom of the page, and click on “Save and Apply”.
BLF KEYS CONFIGURATION ON MPKs (GXP1628 ONLY)
To configure the BLF feature on Line Keys for GXP1628 phones:
1. On the Web UI, click on “Settings”.
2. On the drop-down list, click on “Programmable Keys”, as the figure shows below: