On Sun, 19 Aug 2001 at 15:02:12 IST harshal patil was not watching TV and instead asked:

what this funny sounded commands means & actually does?

It tells Wvdial not to interpret the login sequence i.e., the login/password prompts. Wvdial simply starts up PPPD when it connects to the remote modem. A better explanation is given in the man page of wvdial.conf. DO `man wvdial.conf'

Fart