> > why i can start pppd call provider only once?
> > after that it works ok, but if i kill pppd, in the next attempt
> > it does not detach console and does nothing then.
> 
> Haven't seen that. How are you killing it? SIGHUP will do a clean exit
> unless you use the "demand" option, SIGINT always will regardless.
i'm using persist option.
SIGHUP make it reconnecting (properly)
kill without options kills it, but then i can't restart pppd