Denis, looks like this has been reported as an "issue" on the Wheezy Github site -- "https://github.com/WheezyE/Winelink/issues/91" ..? "Vara HF PTT issue #91", but no reply from "Mr Wheezy" as yet.
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I had a look at what the ports were doing, and when I had an RMS Exress / Ardop session going, ports 8200 & 8201 were in LISTENING mode, which is what they suppose to be doing it seems ...
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Then I opened an RMS Express / VARA session and the VARA ports 8300 &? 8301 were not showing, so that seems to be the issue -- the ports that VARA tries to use do not open.
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73 de Pete VK3PYE