That's the problem with trying to run two servers from the same IP. Once you start the second server it will increment the port number by 1.
As far as GS is concerned. tell me more about your network setup ( home / work , router or no router.
Also you can barely run one MOH server from a basic cable connection let alone a full T1.
Give me more info on your network and I will try and help.
if your looking for a quicker reply check out my site at
http://www.mohadmin.com for all your moh game server needs
good luck