reply to maugott
Re: port forwarding did not solve no-ring problem As usual a VOIPo technician responded promptly to my email and said "I have changed the command ports your adapter is using along with updating the server your adapter connects to in order to fix the busy signal issues. Please power cycle the adapter for these changes to take affect."
I power cycled and VM now works fine.
That's a laugh! (and I did)
The same old routine... it gets tired after a couple of years.
Hope it sticks this time!
It's been 3 weeks since the fix and all works well.