2538 lines! And so many one line functions.
There is some weird handling of "defaults". For one, they aren't set automatically, which to me isn't a default. Yet, doing "defaults,info" will set them. Also, to me the words "answer" and "response" mean the same thing, so I found it very confusing, but you documented it clearly, so I finally got things right. Anyway...
Here's what I really came here to say:
I'm not announcing this widely, because I'm not sure how well it will work. If this is too much stress for Easyfax, I might have to turn it off. Oh, and it is very ugly. Neither side actually listens for a message, they both just wait and hope things are ready in time. Easyfax waits 10 seconds, but because chat messages are slow, you don't get that long.