wvdial. - mgetty or what

[alexis Vasquez <lxvasquez yahoo es>]

after enormous problems configuring HSP56 modem, I
just get to dial my phone number.. taking a example
for chat.(?)..  but what I want is configure almost 4
linux boxes to :
1- dial machine(1)
2- connect (maybe telnet)
3- get some files (maybe repair a program)
4- close connection machine(1)

5- dial machine(2)
... and so on

but I'm very confuse about pppd0, wvdial, chat,
rlogin, mgetty.  all this stuff get me lost.

which would be the best way?.  
what should I read.? 

Thanks in advance

pd.  Don't have GUI.

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