RTCOutboundRtpStreamStats.HeaderBytesSent - add

files/en-us/web/api/rtcoutboundrtpstreamstats/headerbytessent/index.md

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+---
+title: "RTCOutboundRtpStreamStats: headerBytesSent property"
+short-title: headerBytesSent
+slug: Web/API/RTCOutboundRtpStreamStats/headerBytesSent
+page-type: web-api-instance-property
+browser-compat: api.RTCStatsReport.type_outbound-rtp.headerBytesSent
+---
+
+{{APIRef("WebRTC")}}
+
+The **`headerBytesSent`** property of the {{domxref("RTCOutboundRtpStreamStats")}} dictionary indicates the total number of RTP header and padding bytes sent for this SSRC.
+
+The value does not include the bytes for transport layer headers such as IP or UDP.
+Note that the total number of bytes sent as payload over the transport is equal to: `headerBytesSent` + {{domxref("RTCOutboundRtpStreamStats.bytesSent","bytesSent")}}.
+
+## Value
+
+A positive integer.
+
+## Specifications
+
+{{Specifications}}
+
+## Browser compatibility
+
+{{Compat}}