ShangHai#sh run
Building configuration...

Current configuration:
!
version 12.0
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname ShangHai
!
enable secret 5 $1$dB/c$tnrMU9IxFCJdix5ssHAdH/
!
!
!
!
!
voice-card 1
!
voice-card 2
!
ip subnet-zero
no ip domain-lookup
!
isdn voice-call-failure 0
!
!
!
!
controller E1 1/0
framing NO-CRC4
ds0-group 0 timeslots 1-15,17-31 type e&m-immediate-start
cas-custom 0
! 
   controller E1 2/0
framing N
ds0-group 0 timeslots 1-15,17-31 type e&m-immediate-start
cas-custom 0
!
!
!
interface BRI0/0
no ip address
no ip directed-broadcast
encapsulation ppp
isdn guard-timer 0 on-expiry accept
ppp multilink
!
interface FastEthernet0/0
no ip address
no ip directed-broadcast
shutdown
duplex auto
speed auto
!
interface Serial0/0
no ip address
no ip directed-broadcast
no ip mroute-cache
shutdown
no fair-queue
clockrate 2000000
!
interface Serial0/1
ip address 192.168.1.2 255.255.255.252
no ip directed-broadcast
!
ip classless
!
no ip http server
!
!
voice-port 1/0:0
compand-type a-law
!
voice-port 2/0:0
compand-type a-law
!
dial-peer voice 20 voip
destination-pattern +3...
session target ipv4:192.168.1.1
req-qos guaranteed-delay
ip precedence 5
!
dial-peer voice 10 pots
destination-pattern +448...
port 1/0:0
!
dial-peer voice 30 voip
destination-pattern +4...
session target ipv4:192.168.1.1
req-qos guaranteed-delay
ip precedence 5
!
dial-peer voice 40 pots
destination-pattern +449...
port 2/0:0
!
!
line con 0
transport input none
line aux 0
line vty 0 4
password cisco
login
!
end

ShangHai#