Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to make free calls [title] Use facebook messenger to call from either your computer or smartphone. [step] You can use the messenger app or use the messaging feature on the facebook website. Select a contact in messenger, click on the " i " button, and press " make free call.

Ending1: " [substeps] You can also use the chat app on facebook to make free calls from any phone. To do this, copy the field area code to the clipboard you created in step 1. Ending2: " [substeps] Live call on facebook is the most popular and allows you to call from virtually any location. [title] Press and hold the numbers on your keypad to receive a free call. Ending3: " [substeps] If this isn't your first time making free calls using your facebook messenger app, you might be prompted to sign in with facebook messenger, or to put your phone on silent. [title] Double-click on the person's name to open the chats section of messenger. Ending4: " your contact will receive a notification, and your call will connect over the internet. [substeps] If you are calling from the facebook website, make sure you have a microphone installed.

Answer format: ending1/ending2/ending3/ending4