PCMCIA/modem: trouble with `chat'

I have some trouble to set PPP: when I `pon', `chat' exits with the fatal error: "Can't get terminal parameter: Input/output error" How can we resolve it ? Thanks in advance, Jerome. my debian box: debian version 2.1, kernel 2.2.1, ppp-2.3.5-10.

PCMCIA/modem: trouble with `chat'

I have some trouble to set PPP: when I `pon', `chat' exits with the fatal error: "Can't get terminal parameter: Input/output error" How can we resolve it ? Thanks in advance, Jerome. my debian box: debian version 2.1, kernel 2.2.1, ppp-2.3.5-10.