Hunting ( CCNA VOICE)

Hi Experts

I am testing hunting. I am facing one issue. When there is an active call
on dn 1 and if someone make another call to 1000. It should be ring at dn
2.but it is not happening.
Please find below config for the same. Let me know if anybody need any
other output.

ephone-dn 1 dual-line
 *number 1000*
 *preference 0*
 call-forward busy 8000
 call-forward noan 8000 timeout 12
* huntstop channel
 no huntstop*
!
!
ephone-dn 2 dual-line
 *number 1000*
 *preference 1*
 call-forward busy 8000
 call-forward noan 8000 timeout 12
 *huntstop channel*
!

ephone-dn 3 dual-line
 number 1002
 call-forward busy 8000
 call-forward noan 8000 timeout 12
!
!
ephone-dn 4 dual-line
 number 1003
 call-forward busy 8000
 call-forward noan 8000 timeout 12

ephone 1
 no multicast-moh
 mac-address E840.400C.C0F4
 type 7945
 button 1:1
!
!
!
ephone 2
 no multicast-moh
 mac-address E840.400C.D59A
 type 7945
 button 1:2
!
!
!
ephone 3
 no multicast-moh
 mac-address 0019.30C8.8388
 type 7961
 button 1:3
!
!
!
ephone 4
 no multicast-moh
 mac-address 5C26.0A42.1269
 type CIPC
 button 1:4
!

Router#sh telephony-service
CONFIG (Version=4.1(0))
=====================
Version 4.1(0)
Cisco Unified Communications Manager Express
For on-line documentation please see:
www.cisco.com/univercd/cc/td/doc/product/access/ip_ph/ip_ks/index.htm

!

-- 
Thanks & Regards,
Gaurav Thukral
Blogs and organic groups at http://www.ccie.net