Problem solved - or at least situation improved greatly.
Remember to ALWAYS check cabling - I forgot that between the wall-socket
and my modem/router my line ran through my power board.
connected modem router straight to wall socket and speeds increased:-
ping 37ms
jitter 6ms
download 6.14Mbps
upload 0.32Mbs
cant check packet loss - probably due to ISP's firewall.
Ken, I'm not currently running through a filter. My house is cabled for
ethernet/cable TV/Phone using Cat5 cables. Telstra line comes in to side
of house and Cat5 is run around 2 metres to inside wall connection for
modem, then line runs to other room(s) where phone is attached.
Hope this helps somebody else.
Thanks to all who replied.
Now I just need to update the Modem Firmware and redo all of its settings.
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