exten => 800,1,senddtmf(9) 
exten => 800,2,wait(1)
exten => 800,3,senddtmf(98763533)
exten => 800,4,wait(3)
exten => 800,5,flash()
exten => 800,6,senddtmf(9)
exten => 800,7,wait(1)
exten => 800,8,senddtmf(98765442)
exten => 800,9,wait(3)
exten => 800,10,flash()