> Fetch clean Markdown by appending `.md` to any page URL under https://signalwire.com/docs or requesting it with the HTTP header `Accept: text/markdown`. The root index at https://signalwire.com/docs/llms.txt lists the available documentation indexes.

# CallNetworkIssue

> Describes a single network issue detected during a call, with severity and metric values.

A single network issue detected by the WebRTC stats monitor on an active call. Issues are emitted on [`call.networkIssues$`](/docs/browser-sdk/v4/reference/webrtc-call/network-issues\$); use them to drive UI warnings or quality-degradation flows.

## **Properties**

**`severity`** `warning | critical` — required

Severity of the issue. `warning` indicates degradation; `critical` indicates the call may not be usable.

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**`threshold`** `number`

Threshold value (in the metric's unit) that was crossed to trigger this issue.

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**`timestamp`** `number` — required

Wall-clock timestamp (ms since epoch) when the issue was detected.

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**`type`** `no_inbound_audio | no_inbound_video | high_rtt | high_packet_loss | high_jitter | ice_disconnected` — required

Kind of network issue detected.

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**`value`** `number`

Observed value of the metric that triggered the issue.

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> Describes a single network issue detected during a call, with severity and metric values.