>I read the IP Masquerade HOWTO a month ago, and I remebered that it
>talked specificly  about NetMeeting.  Here is the excerpt that talks
>about it:
>
>Clients that do not Work:
>
>All H.323 programs
>
>       - MS Netmeeting, Intel Internet Phone Beta 2 - Connects but voice
>travels one way (out). Check out Equivalence's PhonePatch
>       H.323 gateway for one possible solution. 
>
>       UPDATE: There is now BETA code on the MASQ WWW site to work with
>Microsoft Netmeeting v2.x code on 2.0.x kernels. There is NO
>       modules as of yet for NetMeeting v3.x and/or 2.2.x kernels. 

That's my symptom exactly. I'll have to find an H.323 patch because I'm
collaborating with several other people who, being entirely Windows-based,
are on NetMeeting, so switching to something else is uot of the question.

Thanks for the suggestions, folks!

Alan