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Audio/Video Calls
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Libervia provides the capability for one-to-one audio and video calls. This section will guide you on how to use this feature effectively.

Accessing the Call Feature
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1. Navigate to the main menu.
2. Select the "Calls" option.

Initiating a Call
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Upon entering the "Calls" page:

1. An interface will display a search box at the top and a list of your contacts below.
2. To the right of the search box, there is a button labeled "Video Call," indicating that both audio and video will be enabled for the call.
3. To make an audio-only call, click the adjacent icon. The "Video Call" button will change to "Audio Call."
4. To start a call:
   a. Enter a full JID into the search box, then click on either "Audio Call" or "Video Call."
   b. Alternatively, directly click on a contact's name to initiate a call with them.

*Note:* The search box functions as expected – inputting a portion of a contact's name or the group they belong to will filter the displayed contacts.

Receiving a Call
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*Currently, you must be on the "Calls" page to receive an incoming call. This limitation will be addressed in future updates.*

Upon receiving a call:

1. An audible ring will sound.
2. A dialog box will appear, prompting you to either **Answer** or **Reject** the incoming call.
3. If you choose to answer and it's a video call, the call interface will display both the caller's video feed and your video in the bottom right corner. For audio-only calls, no video feeds will be shown.

During a Call
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The call interface offers the following features:

1. **Fullscreen Mode:** The top right button allows you to expand the video feeds to cover the entire screen.
2. **Mute Options:** Two buttons at the bottom of the interface enable you to mute your audio or video.
   - Muted audio: The audio icon will turn yellow with a red strike-through, indicating that your audio is off and the other party cannot hear you.
   - Muted video: The video icon will turn yellow with a red strike-through, signaling that your video is off and the other party cannot see you.
3. **End Call:** Click the "Hang Up" button to conclude the call.

Security Considerations for Calls
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When using Libervia's call feature, it's essential to consider certain privacy aspects:

**1. Sharing Your "Online Presence" and Address:**

   Making or receiving a call not only shares your device's unique online address (similar to a unique phone number) but also informs others that you're currently online. This means people can see when you're active, much like noticing you're home when the lights are on.

**2. Privacy Implications:**

   This information is standard when chatting with trusted contacts. However, with unfamiliar individuals, it might slightly reveal your activity pattern and general location.

**3. Safety Recommendations:**

   - **Be Selective:** Only initiate or accept calls from people you trust.
   - **Network Usage:** While the call feature is designed for use anywhere, including public networks like in restaurants or hotels, be mindful that unfamiliar networks might be less secure.
   - **Stay Informed:** If you have questions or concerns, you can join our community chat room for guidance. Visit `Libervia's Chat Room <xmpp:libervia@chat.jabberfr.org?join>`_.

Always prioritize your privacy and be aware of the information you share while using the call feature.