voice service voip
 fax protocol t38 ls-redundancy 2 hs-redundancy 2
 h323
!
controller T1 1/1/0:1
 framing esf
 pri-group timeslots 1-24 nfas_d primary nfas_int 0 nfas_group 0
!
interface Serial1/1/0:1:23
 no ip address
 isdn switch-type primary-dms100
 no cdp enable
!
voice-port 1/1/0:1:D
 cptone MX
!
dial-peer voice 101000 pots
 destination-pattern 9999
 port 1/1/0:1:D
!
num-exp 1956.......$ 99990111956.......