here is the running config
hope it helps>
Building configuration...
Current configuration : 2062 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname xxxxx
!
boot-start-marker
boot-end-marker
!
card type e1 1
no logging buffered
enable secret 5
!
no aaa new-model
!
resource policy
!
ip subnet-zero
!
!
ip cef
!
!
isdn switch-type primary-net5
!
username xxxxxxxx password xxx
username xxxxxxx password 7 xxxxxxxxxxx
username xxxxxxx password 7 xxxxxxxxx
username xxxxxxx secret 5 xxxxxxxx
!
!
controller E1 1/0
pri-group timeslots 1-31
!
!
interface GigabitEthernet0/0
ip address 172.31.x.xxxxx
shutdown
duplex auto
speed auto
!
interface GigabitEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface Serial0/0/0
no ip address
shutdown
clock rate 2000000
!
interface Serial0/0/1
no ip address
shutdown
clock rate 2000000
!
interface BRI0/1/0
no ip address
shutdown
isdn switch-type basic-net3
isdn point-to-point-setup
!
interface Serial1/0:15
no ip address
encapsulation ppp
dialer pool-member 1 min-link 1 max-link 30
isdn switch-type primary-net5
isdn calling-number 560300
isdn bchan-number-order ascending round-robin
ppp authentication chap
ppp multilink
!
interface Dialer0
description - test isdn loopback cct
ip address 172.21.50.x xxxxxxx
encapsulation ppp
dialer pool 1
dialer remote-name xxxxxxxxxx
dialer idle-timeout 3600
dialer enable-timeout 5
dialer wait-for-carrier-time 60
dialer string 005208641000
dialer load-threshold 127 either
dialer-group 2
no peer default ip address
no cdp enable
ppp authentication chap
ppp multilink
!
ip classless
!
ip http server
!
access-list 140 permit icmp host 172.21.50.253 host 172.21.x.x
access-list 140 deny eigrp any any
dialer-list 2 protocol ip list 140
snmp-server engineID local xxx
!
control-plane
!
!
line con 0
logging synchronous
line aux 0
line vty 0 4
password 7 xxxxxxxxx
login
!
scheduler allocate 20000 1000
!
end
hostname#
