r1#sh run
Building configuration...

Current configuration : 983 bytes
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version 12.2
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
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hostname r1
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ip subnet-zero
ip cef
!
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no ip domain lookup
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voice call carrier capacity active
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interface FastEthernet0/0
 ip address 172.17.63.209 255.255.255.240
 no keepalive
 duplex half
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interface Serial1/0
 ip address 12.1.1.1 255.255.255.252
 serial restart_delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart_delay 0
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interface Serial1/2
 no ip address
 shutdown
 serial restart_delay 0
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interface Serial1/3
 no ip address
 shutdown
 serial restart_delay 0
!
ip classless
ip route 10.1.1.0 255.255.255.0 172.17.63.213
ip route 10.2.2.0 255.255.255.0 12.1.1.2
ip route 172.17.63.224 255.255.255.240 12.1.1.2
no ip http server
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call rsvp-sync
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mgcp profile default
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dial-peer cor custom
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line con 0
 exec-timeout 0 0
 logging synchronous
line aux 0
line vty 0 4
 login
!
!
end