Listing 1. Chat Script

 'ABORT' 'BUSY'
 'ABORT' 'ERROR'
 'ABORT' 'NO CARRIER'
 'ABORT' 'NO DIALTONE'
 'ABORT' 'Invalid Login'
 'ABORT' 'Login incorrect'
 '' 'ATZ'
 'OK' 'ATDT5551212'
 'CONNECT' ''
 'name:' 'username'
 'word:' 'password'
 '>' 'ppp default'