[Asterisk-Users] pppd dial-in over asterisk

Ryan Sackler sackler at gmail.com
Thu Dec 9 01:50:22 MST 2004


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I'm sure most people are aware of the ability of pppd to answer calls
coming in from a standard serial modem (or at least that is the way
I
understand it to work), authenticate the user and issue it an IP
address. With the proper ip forwarding/masquerading techniques, this
can serve as a fully functional ISP of sorts. It also offers a nice
method for you to dial in to your linux box and get a shell into it,
and access the internet, from any phone line. 

What I am interested to work out is a way to fool pppd into thinking
that an incoming call over asterisk (IAX2), is actually coming from
a
device physically connected to the computer. I am completely lost as
to how to make this work, but essentially I find the possibility of
having a virtual 'modem bank' of sorts handled by asterisk, made of
incoming voip calls placed from standard PSTN telephone lines rather
intriguing. 
Basically does anyone have any ideas on how to set up a ppp dial in
server with the plain old telephone line substituted for an asterisk
server accepting VOIP calls from the internet?

Thanks,
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Comment: Marcus Ryan Sackler

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