Using the "loopback interface" to join your room
To enter your chat room using this interface you need to enter the room under a slightly modified name, this means you have to either use WinMX 3.53+ or some other chat client that allows you to join a custom channel name.
To calculate the channel name you need to enter first take the room name, without the last bit on it, for example "RoomName_827261AA1A2A" you would get "RoomName" and also take the last 4 digits of it (the "1A2A" in this example)
Once you have your RoomName and 1A2A you then insert _0100007F in to the middle, so in this example we would get RoomName_0100007F1A2A.
Here are a few more examples
Loopback changed into the Hex WinMX uses: [using normal loop back 127.0.0.1]
RoomName_A71B193C1A2A > RoomName_0100007F1A2A
Some Test Room_4D5291B50003 > Some Test Room_0100007F0003
Example Room_45AB874A1A2B > Example Room_0100007F1A2B
Loopback changed into the Hex WinMX uses: [using router loop back 198.162.0.1]
RoomName_A71B193C1A2A > RoomName_01A2C61A2A
Some Test Room_4D5291B50003 > Some Test Room_01A2C6F0003
Example Room_45AB874A1A2B > Example Room_01A2C61A2B
You can also enter the number in 'raw' form as shown here:
RoomName_A71B193C1A2A > RoomName_127.0.0.1:6698
Some Test Room_4D5291B50003 > Some Test Room_127.0.0.1:3
Example Room_45AB874A1A2B > Example Room_127.0.0.1:6699
NOTE: The numbers above must have the Local IP (127.0.0.1) with then the ':' then port number (6698, 6699, or any number you use) to work.