Telnet access to moderately old UNIX boxes

[Sridhar Ayengar]

Jochen Kunz wrote:
> On Tue, 30 Jun 2009 15:02:15 -0400
> Tom Manos <tmanos at concursive.com> wrote:
> 
>> I was thinking of buying one of those  
>> MagicJack thingies that give you a local number and unlimited voip  
>> calling for $20 a year and setting up a modem on it.
> VoIP uses (more or less) advanced codecs to encode and compress voice
> audio. A modem, that expects a 1:1 "wire", will not work well on this.
> 
> You can do things like: Setup a Linux box with SSH accounts that have
> somthing as cu(1) or tip(1) as login shell. Connect the serial ports of
> the linux box to the old unix machines. If the old machines can speak
> TCP/IP you can use telnet(1) instead cu(1) / tip(1). Or use SSH
> portforwarding...

What about SLIP/PPP?

Peace...  Sridhar