#!/bin/sh
DIALTIMEOUT=20

MODEM=ttyUSB2 SPEED=9600 MODEM_INIT='AT+CGDCONT=1,\"IP\",\"internet.mts.ru\" OK'
IH_IP=" ipcp-accept-local ipcp-accept-remote noipdefault
debug usepeerdns user mts noauth mtu 576
novj nobsdcomp novjccomp nopcomp noaccomp lcp-echo-interval 0.5"
LOGSCRIPT="CONNECT"
PHONE="*99***1#"
DR=`route -n | egrep '^0.0.0.0'| grep -v ppp | sed 's/^[^ ]* *\([^ ]*\) .*/default gw \1/'` ;
if [ -n "$DR" ] ; then
trap "echo route add $DR ; route add $DR ; exit" 2 3 9 15
route delete $DR
echo route delete $DR
fi

while true ; do
pppd \
connect 'chat -v ABORT "NO DIALTONE" ABORT "NO CARRIER" ABORT BUSY "" '"$MODEM_INIT"' ATDP'$PHONE' '"$LOGSCRIPT"' ;' \
crtscts defaultroute modem -detach mru 1500 \
$NASH_IP:$IH_IP /dev/$MODEM $SPEED
cat /etc/ppp/resolv.conf > /etc/resolv.conf
sleep $DIALTIMEOUT
done