I got the following message while running "pon" on dev/ttyS0. Jun 20 22:44:43 debian pppd[602]: pppd 2.3.5 started by root, uid 0 Jun 20 22:44:44 debian chat[605]: abort on (BUSY) Jun 20 22:44:44 debian chat[605]: abort on (NO CARRIER) Jun 20 22:44:44 debian chat[605]: abort on (VOICE) Jun 20 22:44:44 debian chat[605]: abort on (NO DIALTONE) Jun 20 22:44:44 debian chat[605]: abort on (NO ANSWER) Jun 20 22:44:44 debian chat[605]: send (ATZ^M) Jun 20 22:44:44 debian chat[605]: expect (OK) Jun 20 22:45:29 debian chat[605]: alarm Jun 20 22:45:29 debian chat[605]: Failed Jun 20 22:45:29 debian pppd[602]: Connect script failed Jun 20 22:45:30 debian pppd[602]: Exit.
running on /dev/ttyS1, I got the following message Jun 20 22:19:34 debian pppd[168]: pppd 2.3.5 started by root, uid 0 Jun 20 22:19:34 debian pppd[168]: tcgetattr: Input/output error(5) Jun 20 22:19:35 debian pppd[168]: Exit. I believe the ppp support module is loaded and ppp package is installed as base linux system , I got the following message when booting. Jun 20 21:59:17 debian kernel: PPP: version 2.2.0 (dynamic channel allocation) Jun 20 21:59:17 debian kernel: PPP Dynamic channel allocation code copyright 1995 Caldera, Inc. Jun 20 21:59:17 debian kernel: PPP line discipline registered. one of debian documents winmodem is not supported by linux ppp. I use US Robotics 56 K VoiceWin modem? is it true? Thanks Daniel