This leads to:
It is an old codec of RealAudio and for some reason doesn`t download.
Source code shows stream URL.
PNM is a rather obsolete protocol having been mostly replaced by RTSP.
OEP can not download PNM Protocol so when it receives a stream URL of that type it tries to download it using RTSP Protocol.
There is only one recorder program that can download PNM Protocol. It is also limited to certain older version server software.
StreamBox VCR can download the PNM Protocol streams from this site.
Streaming media recording software list.
The Streaming Media Recording Forum.
Please let me know if you find links that do not work with it.
> Please let me know if you find links that do not work with it.
is impossible to download neither with OER nor with StreamBox VCR.
Is there a possibility that you could implement a solution for this type of PNM in one of the next releases?
My best regards