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Skype call quality suffering from UDP blocking


I'm having an issue with Skype and call quality because of UDP blocking.
A forum/Google search did not turn up anything relevant.

Using ASG home licence 8.202 - (haven't updated in awhile)

In the Skype Call Technical Info window, I have consistently bad local UDP.

Skype Call Technical Info dialog
Packet loss=0.0% (5)
Send packet loss=0.0%/0.0%
Recv packet loss=0.1%/0.1%

UDP status=local:Bad remote:Good

From O'Reilly Skype Hacks: "If either end of a Skype call has poor UDP, call quality will suffer"

I use the SOCKS5 proxy /w authentication for Skype, and have no problems making/receiving calls.
I have an allow all firewall rule for the port I'm using for incoming connections.
and a DNAT rule:  Allow - Any->Skype->WAN - Dest: MYPC - Auto Firewall rule

I tried turning off IPS or making an allow all for ICMP/UDP in IPS exceptions as a test - no good
Also tried turning of ICMP and UDP flood protection.

All tests with the Skype Echo Call Test Service consistently show bad local UDP,
in the Call Technical Info dialog.

IPS log shows
severity="info" sys="SecureNet" sub="ips" name="ICMP flood detected" action="ICMP flood" fwrule="60014" initf="eth0" srcip="MYPC" dstip="ASG" 

Anyone have an idea what I can do about this?

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