T1 line connection issue

Im trying to setup a point to point T1 line with two 1841 Cisco router.

When I plug the cable from the T1 connection to the serial port on the router the interface shows as down. Im not sure what am I doing wrong.

Serial0/0/0 is down, line protocol is down
  Hardware is GT96K with integrated T1 CSU/DSU
  Description: Link to remote office
  Internet address is 192.168.6.2/24
  MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation PPP, LCP Closed, loopback not set
  Keepalive set (10 sec)
  Last input never, output never, output hang never
  Last clearing of "show interface" counters 02:42:25
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops:
  Queueing strategy: weighted fair
  Output queue: 0/1000/64/0 (size/max total/threshold/drops)
     Conversations  0/0/256 (active/max active/max total)
     Reserved Conversations 0/0 (allocated/max allocated)
     Available Bandwidth 1158 kilobits/sec
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     0 packets input, 0 bytes, 0 no buffer
     Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
     0 packets output, 0 bytes, 0 underruns
     0 output errors, 0 collisions, 325 interface resets
     0 output buffer failures, 0 output buffers swapped out
     0 carrier transitions
     DCD=down  DSR=up  DTR=up  RTS=up  CTS=down

Here is my configuration:

Using 2430 out of 196600 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
!
hostname !
boot-start-marker
boot-end-marker
!
logging buffered 51200 warnings
!
no aaa new-model
!
resource policy
!
clock timezone PST -8
mmi polling-interval 60
no mmi auto-configure
no mmi pvc
mmi snmp-timeout 180
ip subnet-zero
ip cef
!
!
no ip dhcp use vrf connected
!
!
ip domain name yourdomain.com
ip name-server 192.168.1.34
!
!
!
!
interface FastEthernet0/0
 description connected to Main Lan
 ip address 192.168.1.3 255.255.255.0
 duplex auto
 speed auto
!
interface FastEthernet0/1
 no ip address
 shutdown
 duplex auto
 speed auto
!
interface Serial0/0/0
 description Link to remote office
 ip address 192.168.6.2 255.255.255.0
 encapsulation ppp
!
ip default-gateway 192.168.1.1
ip classless
ip route 0.0.0.0 0.0.0.0 192.168.1.1
ip route 192.168.8.0 255.255.255.0 192.168.1.1
!
no ip http server
ip http access-class 23
ip http authentication local
ip http timeout-policy idle 60 life 86400 requests 10000
!
access-list 10 permit 192.168.1.0 0.0.0.255
access-list 11 permit 192.168.6.0 0.0.0.255
access-list 12 permit 192.168.8.0 0.0.0.255
access-list 23 permit 10.10.10.0 0.0.0.7
!
control-plane
!
banner login ^C
-----------------------------------------------------------------------
!
line con 0
 login local
line aux 0
line vty 0 4
 access-class 10 in
 privilege level 15
 login
 transport input telnet
line vty 5 15
 access-class 23 in
 privilege level 15
 login local
 transport input telnet
!
end


Any help would be appreciated!