Retro Challenge - 2014 Winter Warmup

ViewData BBS Server

After failing miserably on the last Retro Challenge, I'm intending to actually get something done this time.
I've been playing around with ViewData and want to create a new BBS system that will run on a modern server and be able to take telnet or dialup connections.

So as part of the challenge I intend to implement as much of the following as possible...

1) Create basic ViewData BBS system that allows telnet access.
2) Implement a dial up server that forwards traffic to the BBS.
3) Create a ViewData terminal that allows the BBS to be accessed without a real machine (possibly implement this in Silverlight and host it on a web page).
4) Add ability to load pages into BBS and navigate through simple page tree (like original Prestel).
5) Add ability to create forms and entry validation etc.
6) Create gateway from BBS to other online telnet enabled systems (this will allow me to "dial up" telnet only BBSs such as CCL4).
7) Implement email service in BBS.
8) Implement search engine (google / bing).
9) Implement twitter feed.
10) Implement online game (shades etc). (Have looked at shades and it is still available, problem is it expects a 80 x 40 text based screen).
11) Create some kind of API for creating gateways between BBSs.
12) Detect non ViewData terminal and create ASCII representations of ViewData screens. (Might create a new gateway to do this).
13) Implement a demo of old Prestel screens.
14) Implement some real content for my new BBS.
15) Create system for doing downloads. (Have some examples of the way this was done via multiple pages in sequence).
16) Implement facebook feed.

Probably a bunch of other stuff.

Required Items

To test this setup I'll need to implement the following...

1) Setup PC to run BBS.
2) Install modems for dial in access (I have 4 Hayes modems which I have managed to get connected correctly, I also have 4 USB modems which work but are sending gibberish to the ViewData terminal, think this is some issue with stop bits or parity).
3) Wire modems into PBX.
4) Wire PBX to external line.
5) Look at possibility of using a set of VOIP lines (Think they should be ok with compression off as the speed is low enough).
6) Solder a set of cables for the BBC to connect to modems.
7) Try and get terminal server box to accept incoming connections and connect out on modem.

Terminal Hardware

Once the connectivity is setup I'll be testing using the following...

1) Alcatel TerminalTel 257 VideoTex terminal.
2) BBC Micro with Acorn Prestel adapter.
3) BBC Micro with Prism modem (1000 & 2000).
4) BBC Micro with Pace Nightingale modem.
5) Sinclair Spectrum 48k with Prism VTX 5000 modem.
6) Acorn A3000 with old modem (not sure of make).
7) Acorn Communicator. 
8) My new terminal program (which I need to write).
9) ConnectVX (A windows ViewData client).

So the intention is to have a working BBS that can be contacted by other users via dialup and telnet at the end of the challenge.

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