Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to make free voice and video calls with facebook messenger [title] Open a conversation with the person you want to call. [step] You can use messenger to make free voice calls. The recipient will need to be using either the messenger app or the facebook app, and will need to have their device connected to the internet.

Ending1: The recipient can either record the calls, or include them on a video call log. This will allow the call to be broadcast. Ending2: [substeps] Messenger models are double-shielded, meaning the call status comes from the device you share with them. If the pair you're calling is already connected to facebook messenger, you can skip this step. Ending3: They can also receive calls using the facebook website. [substeps] Calls are currently only available with one recipient at a time. Ending4: If the contact has your phone with them, it is possible that they have another device already plugged in. You should open a conversation on facebook to start making free voice calls.

Answer format: ending1/ending2/ending3/ending4