UP9600

[jdryyz]

You can't do binary transfers to non-escaped sites with escaping turned on!

From a technical stand point here is what happens:

BBS sends 0xFF for a telnet escape start sequence, unless 0xFF is the actual character to send in which case 0xFF is sent twice.  The terminal program with telnet escaping turned on sees two 0xFF's in a row and ignores one of them, passing just 0xFF.  Now, if you have escaping enabled in your terminal program (and the BBS is not using telnet escaping) and you go to upload, it will be sending 0xFF twice every time 0xFF is encountered.

So, you must have the escaping set correctly.

Well I have finally completed a successful transfer without changing the setting so I guess this particular BBS didn't need it. However, this same BBS also failed out of the gate with continuous retries so it is inconsistent so far. I will have to keep testing it, and on different sites too.