Another tip from one of our secret agents. Turns out that OS 220.127.116.11 is now making its rounds around the interweb. Many people have spotted it already but we had a set of links sent in as proof:
You can find them at the links below:
This fixes the 1-2 second delay before a call is successfully answered and you get a voice path. Let us know what else you find.
UPDATE: Thanks to The Fantom we have another link to the 8330 OS at: http://www.mediafire.com/?zsm2xsbhdmv