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#!/bin/sh
###################################################################
#
# These parameters control the attack dialing sequence.
#
# Maximum number of attempts to reach the telephone number(s)
MAX_ATTEMPTS=10
# Delay between each of the attempts. This is a parameter to sleep
# so use "15s" for 15 seconds, "1m" for 1 minute, etc.
SLEEP_DELAY=15s
###################################################################
#
# This is a list of telephone numbers. Add new numbers if you wish
# and see the function 'callall' below for the dial process.
PHONE1=555-1212
PHONE2=411
###################################################################
#
# If you use the ppp-on script, then these are passed to this routine
# automatically. There is no need to define them here. If not, then
# you will need to set the values.
#
ACCOUNT=my_account_name
PASSWORD=my_password
###################################################################
#
# Function to initialize the modem and ensure that it is in command
# state. This may not be needed, but it doesn't hurt.
#
function initialize
{
chat -v TIMEOUT 3 '' AT 'OK-+++\c-OK'
return
}
###################################################################
#
# Script to dial a telephone
#
function callnumber
{
chat -v \
ABORT '\nBUSY\r' \
ABORT '\nNO ANSWER\r' \
ABORT '\nRINGING\r\n\r\nRINGING\r' \
'' ATDT$1 \
CONNECT '' \
ogin:--ogin: $ACCOUNT \
assword: $PASSWORD
#
# If the connection was successful then end the whole script with a
# success.
#
if [ "$?" = "0" ]; then
exit 0
fi
return
}
###################################################################
#
# Script to dial any telephone number
#
function callall
{
# echo "dialing attempt number: $1" >/dev/console
callnumber $PHONE1
# callnumber $PHONE2
}
###################################################################
#
# Initialize the modem to ensure that it is in the command state
#
initialize
if [ ! "$?" = "0" ]; then
exit 1
fi
#
# Dial telephone numbers until one answers
#
attempt=0
while : ; do
attempt=`expr $attempt + 1`
callall $attempt
if [ "$attempt" = "$MAX_ATTEMPTS" ]; then
exit 1
fi
sleep "$SLEEP_DELAY"
done
|
