pppd

Помогите разобраться: ppp-on: #!/bin/sh TEL=XXX DIALER=/etc/ppp/ppp-on-dialer MODEM=/dev/ttyS0 SPEED=115200 PROV=XXX USER=XXX PASS=XXX /usr/sbin/pppd $MODEM $SPEED modem lock \ connect "$DIALER $TEL" persist holdoff 5 \ remotename $PROV defaultroute noipdefault debug

ppp-on-dialer: exec chat -v \ ABORT "ERROR" \ ABORT "NO DIALTONE" \ TIMEOUT 30 \ "" "AT" \ "OK"-"+++"-"" "AT" \ "OK" "ATZ" \ ABORT "VOICE" \ ABORT "NO ANSWER" \ ABORT "NO CARRIER" \ ABORT "BUSY" \ OK "ATDP$1" \ TIMEOUT 100 \ CONNECT "\\c" \ ogin:--ogin: $USER \ assword: $PASS \

вот что в логах: expect (ogin:) 28800/ARQ/V34/LAPM/V42BIS^M ^M ^M User Access Verification^M ^M belpack!login: --got it send ($USER^M) expect (assword:) $USER^M Password: -- got it Serial connection established. Using interface ppp0 Connect: ppp0 <--> /dev/ttyS0 Connection terminated. Hangup (SIGHUP) Почему pppd не может соединиться?