Streams to open:
There are two different streams in the camera, a lowres stream (352x288) and a hires stream (1280x720). The hires stream has (mono) audio. You can open them with vlc. See below for the codec info that vlc sees. Btw. you need to explicitly state the aspect-ratio on the lowres stream, as the resolutions in horizontal and vertical directions differ (should be 352x198 or 512x288 instead of 352x288).
vlc --aspect-ratio 16:9 'rtsp://192.168.1.10/user=admin&password=&channel=1&stream=1.sdp?real_stream--rtp-caching=100'

Stream 0
    Type: Video
    Codec: H264 - MPEG-4 AVC (part 10) (h264)
    Resolution: 352x288
    Frame rate: 50
    Decoded format: Planar 4:2:0 YUV
    Frame rate: 50

vlc 'rtsp://192.168.1.10/user=admin&password=&channel=1&stream=0.sdp?real_stream--rtp-caching=100'
Stream 0
    Type: Video
    Codec: H264 - MPEG-4 AVC (part 10) (h264)
    Resolution: 1280x720
    Frame rate: 44
    Decoded format: Planar 4:2:0 YUV
Stream 1
    Type: Audio
    Codec: PCM ALAW (alaw)
    Channels: Mono
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