> ## Documentation Index
> Fetch the complete documentation index at: https://docs.tuple.app/llms.txt
> Use this file to discover all available pages before exploring further.

# Call Stats

> Check live network and connection details during a Tuple call on macOS.

<View title="macOS" icon="apple">
  Call Stats shows live connection details for your current call. Use it to check whether packet loss, delay, network routing, or another known condition might be affecting call quality.

  ## Open Call Stats

  1. Start or join a Tuple call.
  2. From the macOS menu bar, select **Window** > **Call Stats**.

  **Call Stats** is dimmed when you aren't on a call.

  ## Understand the summary

  The top of the window summarizes Tuple's current assessment:

  * **No known issues** means Tuple hasn't detected a known connection problem.
  * **Call quality might be affected** means the call is using a connection that can add latency, such as TCP, TURN, or a VPN.
  * **Call quality might be degraded** means Tuple has detected high packet loss, round-trip time, or jitter.

  Select an **Affected Connections** badge to see which connections have that condition and jump to their details.

  <img src="https://mintcdn.com/tuple-0f82e5be/ASsC0rfjsxzZcWwA/images/pairing-with-tuple/call-stats/call-stats-window.png?fit=max&auto=format&n=ASsC0rfjsxzZcWwA&q=85&s=b06f6eee57479cf151481203b7fb88a2" alt="Call Stats showing connection types and degraded network metrics for a multi-participant call" width="480" height="658" data-path="images/pairing-with-tuple/call-stats/call-stats-window.png" />

  ## Read connection details

  Expand a participant to see live stats for your connection with them. On calls that use a media server, Call Stats also separates the stream you send to the media server from the streams you receive for each participant.

  <img src="https://mintcdn.com/tuple-0f82e5be/ASsC0rfjsxzZcWwA/images/pairing-with-tuple/call-stats/connection-details.png?fit=max&auto=format&n=ASsC0rfjsxzZcWwA&q=85&s=a16b6e16047ab11853194aad786fb57f" alt="An expanded Call Stats connection showing network routing, packet loss, round-trip time, jitter, and bitrate" width="480" height="563" data-path="images/pairing-with-tuple/call-stats/connection-details.png" />

  | Stat                  | What it means                                                                                                                                |
  | --------------------- | -------------------------------------------------------------------------------------------------------------------------------------------- |
  | **Local Connection**  | How your Mac connects to the call.                                                                                                           |
  | **Remote Connection** | How the other participant connects to the call.                                                                                              |
  | **UDP / TCP**         | The network transport. UDP is preferred for real-time audio and video. TCP can add latency when packets need to be retransmitted.            |
  | **P2P / TURN**        | Whether traffic travels directly between participants or through a relay. TURN can add latency but may be required by a restrictive network. |
  | **VPN**               | The connection is routed through a VPN, which can add latency or restrict UDP traffic.                                                       |
  | **Region**            | The location of the media server used by the call.                                                                                           |
  | **Packet loss**       | The percentage of data packets that didn't reach their destination. Higher loss can cause frozen video, audio dropouts, or robotic audio.    |
  | **Round trip time**   | The time for data to travel to the other endpoint and back. Higher values mean more delay.                                                   |
  | **Jitter**            | Variation in packet arrival time. Higher jitter can make audio or video choppy.                                                              |
  | **Sending bitrate**   | The amount of audio, video, and screen-share data your Mac is sending.                                                                       |
  | **Receiving bitrate** | The amount of audio, video, and screen-share data your Mac is receiving.                                                                     |

  Values and connection types highlighted in yellow or blue match the conditions in the summary. TCP, TURN, and VPN don't always mean that a call will have problems, but they can help explain added latency.

  If Call Stats shows a problem, try the steps in [Reducing latency](/troubleshooting/reducing-latency). For TCP, TURN, or VPN connections, also review [Networking and firewall issues](/troubleshooting/networking-and-firewall-issues).
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