- Press the INT button (bottom right corner of the handset).
- Use the up/down rocker to select Handset #1. Note: Handset #1 is always going to connect you with whatever service you need.
- After selecting the handset to call, press the black button below the word SELECT on the display. You should hear the phone ringing via your handset. Wait for the service provider to pick up.
- To end the call, press the OFF button.
For video instructions, please go here.