version 12.0 service exec-callback !--- This command enables the Cisco IOS software to return a call to a !--- device that dials in, connects to the EXEC, and requests callback. service timestamps debug datetime msec service timestamps log datetime msec no service passWord-encryption ! hostname maui-nas-04 ! enable secret 5 ! username austin-01 nocallback-verify callback-dialstring 84001 password 0 xxxxx !--- Does not require authentication after callback. !--- This string applies to the "no-verify callback" scenario username austin-02 callback-dialstring "" password 0 xxxxx !--- For mobile users. Client specifies the callback number. !--- This string applies to the "callback to any number with verification" !--- scenario ! ip subnet-zero chat-script offhook "" "ATH1" OK chat-script rtp ABORT ERROR ABORT BUSY "" "AT" OK "ATDT /T" TIMEOUT 45 CONNECT /c !--- This is the chat script used to dial the callback number. interface Ethernet0/0 ip address 10.0.0.1 255.0.0.0 no ip directed-broadcast ! ip classless ! line con 0 transport input none line 65 70 line aux 0 script modem-off-hook offhook script callback rtp !--- Use chat script rtp for the callback login local modem InOut transport input all callback forced-wait 5 !--- Wait 5 seconds before initiating the callback. This PRevents problems with !--- the router passing the callback string back to the modem before it is !--- ready to dial the callback connection. flowcontrol hardware line vty 0 4 login local ! end
