last one that seems to work on 2nd oct 2003.
pppd /dev/ttySX13 19200 debug user 'sanjeev' connect "chat -v '' AT OK
ATD006978317589974 CONNECT '\d\c'" crtscts defaultroute

sh-2.03# pppd /dev/ttySX13 19200 debug user 'sanjeev' connect "chat -v '' AT OK
ATD006978317589974 CONNECT '\d\c'" crtscts defaultroute

kill 'ps -e |grep pppd|grep -v grep|awk '{print $1}''

kill -9 $(pidof pppd)