[menu-main]
exten => main,1,ControlPayback(menu-main,30000,3,1,0,5)
exten => menu,n,Hangup()
exten => 1,1,Gosub(sub-menu1)
exten => 1,n,Goto(main,1)
exten => 2,1,Gosub(sub-menu2)
exten => 2,n,Goto(main,1)


[sub-menu1]
exten => main,1,ControlPayback(sub-menu1,30000,3,1,0,5)
exten => menu,n,Hangup()
exten => 1,1,Gosub(sub-menu1-1)
exten => 1,n,Goto(main,1)
exten => 2,1,Gosub(sub-menu1-2)
exten => 2,n,Goto(main,1)


[sub-menu1-1]
exten => main,1,ControlPayback(sub-menu1-1,30000,3,1,0,5)
exten => menu,n,Hangup()
exten => 1,1,Bakground(1-1-1)
exten => 1,n,Goto(main,1)
exten => 2,1,Bakground(1-1-2)
exten => 2,n,Goto(main,1)