# Enumeration ChannelMediaRelayEvent (/zh-CN/api-reference/rtc/react-sdk/web-sdk/enums/channelmediarelayevent)

> For AI agents: see the complete documentation index at [llms.txt](/llms.txt).

## Enumeration members [#enumeration-members]

<a id="network_connected"></a>

### NETWORK_CONNECTED [#network_connected]

<ApiSignature>

NETWORK_CONNECTED: = "NETWORK_CONNECTED"

</ApiSignature>

用户与服务器建立连接。

<a id="network_disconnected"></a>

### NETWORK_DISCONNECTED [#network_disconnected]

<ApiSignature>

NETWORK_DISCONNECTED: = "NETWORK_DISCONNECTED"

</ApiSignature>

网络中断导致用户与服务器连接断开。

<a id="packet_joined_dest_channel"></a>

### PACKET_JOINED_DEST_CHANNEL [#packet_joined_dest_channel]

<ApiSignature>

PACKET_JOINED_DEST_CHANNEL: = "PACKET_JOINED_DEST_CHANNEL"

</ApiSignature>

用户已加入目标频道。

<a id="packet_joined_src_channel"></a>

### PACKET_JOINED_SRC_CHANNEL [#packet_joined_src_channel]

<ApiSignature>

PACKET_JOINED_SRC_CHANNEL: = "PACKET_JOINED_SRC_CHANNEL"

</ApiSignature>

用户已加入源频道。

<a id="packet_received_audio_from_src"></a>

### PACKET_RECEIVED_AUDIO_FROM_SRC [#packet_received_audio_from_src]

<ApiSignature>

PACKET_RECEIVED_AUDIO_FROM_SRC: = "PACKET_RECEIVED_AUDIO_FROM_SRC"

</ApiSignature>

服务器收到了目标频道发送的音频流。

<a id="packet_received_video_from_src"></a>

### PACKET_RECEIVED_VIDEO_FROM_SRC [#packet_received_video_from_src]

<ApiSignature>

PACKET_RECEIVED_VIDEO_FROM_SRC: = "PACKET_RECEIVED_VIDEO_FROM_SRC"

</ApiSignature>

服务器收到了目标频道发送的视频流。

<a id="packet_sent_to_dest_channel"></a>

### PACKET_SENT_TO_DEST_CHANNEL [#packet_sent_to_dest_channel]

<ApiSignature>

PACKET_SENT_TO_DEST_CHANNEL: = "PACKET_SENT_TO_DEST_CHANNEL"

</ApiSignature>

SDK 开始向目标频道发送数据包。

<a id="packet_update_dest_channel"></a>

### PACKET_UPDATE_DEST_CHANNEL [#packet_update_dest_channel]

<ApiSignature>

PACKET_UPDATE_DEST_CHANNEL: = "PACKET_UPDATE_DEST_CHANNEL"

</ApiSignature>

目标频道已更新。

<a id="packet_update_dest_channel_not_change"></a>

### PACKET_UPDATE_DEST_CHANNEL_NOT_CHANGE [#packet_update_dest_channel_not_change]

<ApiSignature>

PACKET_UPDATE_DEST_CHANNEL_NOT_CHANGE: = "PACKET_UPDATE_DEST_CHANNEL_NOT_CHANGE"

</ApiSignature>

目标频道未更新。

<a id="packet_update_dest_channel_refused"></a>

### PACKET_UPDATE_DEST_CHANNEL_REFUSED [#packet_update_dest_channel_refused]

<ApiSignature>

PACKET_UPDATE_DEST_CHANNEL_REFUSED: = "PACKET_UPDATE_DEST_CHANNEL_REFUSED"

</ApiSignature>

内部原因导致目标频道更新失败。