I had trouble finding the lyrics to Gus's version so I decided to transcribe them. I'm not sure how to submit lyrics to the DigiTrad, so here they are:

Poor Boy - Gus Cannon

Been a poor boy, a long ways from home
Long ways from home
Been a poor boy and a long ways from home

I got 'rested, no money to buy my fine
Money to buy my fine
I got 'rested, no money to buy my fine

Says I guess I'll have to catch the Frisco out in this land
Catch the Frisco out
Thought I guess I have to catch that Frisco out

Well, if that don't do, I'm gwine ... woods a while
Try the woods a while
If ...

I cried, "Hello Central give me...
Your long distance phone."
I cried, "Hello Central give me your long distance phone."

She asked what number did I want?

I cried, "Please Ma'am give me thirteen forty-nine."
"Thirteen forty-nine"
I cried, "Please Ma'am give me thirteen forty-nine."

Tried to phone it to my...
Tried to phone it to my...
Tried to phone it to my...

Tell her send me little...
Tell her send me little money
Tell her send me little money
For to buy my fine

She cried the bucket's got a...
She cried the bucket's got...
She cried the bucket's got a...
Won't hold no beer.

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2nd verse - 'rested = arrested
Gus seems to leave out a number of lines and just plays the syllables on the guitar or banjo. Here are a couple of guesses:

Tried to phone it to my (baby/woman...)

She said the bucket's got a (hole in it)