I am trying the following for test
{"StreamingChannelList":
{"version":"1.0",
"StreamingChannel":[
{"version":"1.0",
"id":"101",
"channelName":"101",
"enabled":"true",
"Transport":{"ControlProtocolList":{"ControlProtocol":{"streamingTransport":"RTSP"}}},
"Video":{"enabled":"true",
"dynVideoInputChannelID":"1",
"videoCodecType":"H.264",
"videoResolutionWidth":"2560",
"videoResolutionHeight":"1440",
"videoQualityControlType":"VBR",
"fixedQuality":"60",
"vbrUpperCap":"6144",
"vbrLowerCap":"32",
"maxFrameRate":"2500",
"snapShotImageType":"JPEG"},
"Audio":{"enabled":"true",
"audioInputChannelID":"1",
"audioCompressionType":"UNKOWN"}},
{"version":"1.0","id":"102","channelName":"102","enabled":"true",
"Transport":{"ControlProtocolList":{"ControlProtocol":{"streamingTransport":"RTSP"}}},
"Video":{"enabled":"true",
"dynVideoInputChannelID":"1",
"videoCodecType":"H.264",
"videoResolutionWidth":"720",
"videoResolutionHeight":"576",
"videoQualityControlType":"VBR",
"fixedQuality":"60",
"vbrUpperCap":"1024",
"vbrLowerCap":"32",
"maxFrameRate":"2500",
"snapShotImageType":"JPEG"},
"Audio":{"enabled":"true",
"audioInputChannelID":"1",
"audioCompressionType":"UNKOWN"}},
{"version":"1.0",
"id":"201","channelName":"201",
"enabled":"true",
"Transport":{"ControlProtocolList":{"ControlProtocol":{"streamingTransport":"RTSP"}}},
"Video":{"enabled":"true",
"dynVideoInputChannelID":"2",
"videoCodecType":"H.264",
"videoResolutionWidth":"2560",