network-clock-participate wic 0 
no network-clock-participate aim 0 
no network-clock-participate aim 1 
no aaa new-model
ip subnet-zero
!
!
ip cef

!
no ftp-server write-enable
isdn switch-type primary-qsig
isdn voice-call-failure 0
!
voice-card 0
 dspfarm
!
!
voice rtp send-recv

voice class codec 1
 codec preference 1 g711alaw
 codec preference 2 g711ulaw

!
!
controller E1 0/0/0
 pri-group timeslots 1-31
 
!
!
!
interface GigabitEthernet0/0
 ip address 10.x.x.x 255.255.248.0
 no ip mroute-cache
 duplex auto
 speed auto
 no cdp enable
 h323-gateway voip interface
 h323-gateway voip bind srcaddr 10.x.x.x
!

interface Serial0/0/0:15
 no ip address
 isdn switch-type primary-qsig
 isdn overlap-receiving
 isdn incoming-voice voice
 isdn bchan-number-order ascending 
 no cdp enable
!
ip classless
ip route 0.0.0.0 0.0.0.0 10.x.x.x
!
ip http server
no ip http secure-server
!
!

no cdp run
!

!
control-plane
!
!
!
voice-port 0/0/0:15
 timeouts interdigit 7
!
!
!
!
!
dial-peer voice 1 pots
 destination-pattern T
 progress_ind alert enable 8
 progress_ind progress enable 8
 progress_ind connect enable 8
 direct-inward-dial
 port 0/0/0:15
 forward-digits all
!
dial-peer voice 100 voip
 destination-pattern 7676..
 progress_ind setup enable 3
 voice-class codec 1
 session target ipv4:10.x.x.x
 dtmf-relay h245-alphanumeric
!
gateway 
 timer receive-rtp 1200
!