Maybe This can give more overwiev:

ewas5300#show run
Building configuration...

Current configuration : 7394 bytes
!
! Last configuration change at 14:46:10 UTC Sat Jun 23 2007 by alp
! NVRAM config last updated at 14:46:11 UTC Sat Jun 23 2007 by alp
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
!
hostname ewas5300
!
boot-start-marker
boot-end-marker
!
logging count
no logging console


!
resource-pool disable
!
no aaa new-model
ip subnet-zero
no ip domain lookup
!
!

!
trunk group  eser
!
!
trunk group  ATT-OUT
 max-calls any 55
 max-retry 2
 hunt-scheme round-robin both
 capacity trunk-group update interval 180
 capacity carrier update interval 180
!
!
trunk group  CARR-IN
 max-calls any 28
 max-retry 2
 hunt-scheme round-robin both
 capacity trunk-group update interval 180
 capacity carrier update interval 180
!
!
trunk group  TELE34
 max-calls any 28
 max-retry 2
 hunt-scheme round-robin both
 capacity trunk-group update interval 180
 capacity carrier update interval 180

!
isdn switch-type primary-qsig
!
no voice hunt unassigned-number
no voice hunt dest-unroutable
no voice hunt normal-call-clear
no voice hunt no-response
no voice hunt subscriber-absent
no voice hunt dest-out-of-order
no voice hunt invalid-number
no voice hunt normal-unspecified
no voice hunt no-circuit
no voice hunt net-out-of-order
no voice hunt temp-fail
no voice hunt switch-congestion
no voice hunt interworking
!
voice service voip 
 fax protocol t38 ls-redundancy 0 hs-redundancy 0 fallback none
 modem passthrough nse codec g711alaw
 sip
  rel1xx disable
!
voice class codec 99
 codec preference 1 g729r8 bytes 40
 codec preference 2 g729br8 bytes 40
 codec preference 3 g723r63
 codec preference 4 g723r53
 codec preference 5 g723ar53
 codec preference 6 g723ar63
 codec preference 7 g711alaw
 codec preference 8 g711ulaw
!
voice class codec 510
 codec preference 1 g729r8 bytes 40
 codec preference 2 g723r63 bytes 48
!
voice class codec 610
 codec preference 1 g729r8 bytes 40
 codec preference 2 g729br8 bytes 40
!

!
!
!
!
!
voice translation-rule 7452
 rule 1 /^/ /7452/
!
voice translation-rule 7453
 rule 1 /^7452/ //
!
voice translation-rule 19937
 rule 1 /^/ /19937/
!
voice translation-rule 19938
 rule 1 /^19937/ //
!
voice translation-rule 90380
 rule 1 /^/ /90380/
!
!
voice translation-profile CARR1
 translate called 90380
!
voice translation-profile CARR2
 translate called 7452
!
voice translation-profile CARR2A
 translate called 7453
!
voice translation-profile CARR3
 translate called 19937
!
voice translation-profile CARR3A
 translate called 19938
!
!
partition flash 2 16 16
!
call-history-mib retain-timer 500
!
!
controller E1 0
 clock source line primary
 pri-group timeslots 1-31
!
controller E1 1
 pri-group timeslots 1-31
!
controller E1 2
 pri-group timeslots 1-31
!
controller E1 3
 clock source line secondary 1
 pri-group timeslots 1-31
!

!
interface Ethernet0
 no ip address
 shutdown
!
interface Serial0:15
 no ip address
 trunk-group ATT-OUT
 isdn switch-type primary-net5
 isdn incoming-voice modem
 isdn map address . plan isdn type international
 isdn calling-party-num network-provided
 isdn negotiate-bchan
 isdn sending-complete
 no cdp enable
!
interface Serial1:15
 no ip address
 trunk-group ATT-OUT
 isdn switch-type primary-net5
 isdn incoming-voice modem
 isdn map address . plan isdn type international
 isdn calling-party-num network-provided
 isdn negotiate-bchan
 isdn sending-complete
 no cdp enable
!
interface Serial2:15
 no ip address
 trunk-group CARR-IN
 isdn switch-type primary-net5
 isdn incoming-voice modem
 isdn map address . plan isdn type international
 isdn calling-party-num network-provided
 isdn negotiate-bchan
 isdn sending-complete
 no cdp enable
!
interface Serial3:15
 no ip address
 trunk-group TELE34
 isdn switch-type primary-net5
 isdn incoming-voice modem
 isdn map address . plan isdn type international
 isdn negotiate-bchan
 isdn sending-complete
 no cdp enable
!
interface FastEthernet0
 ip address xx.xx.xx.xx xxxxxxxxxxxxxxxx
 load-interval 30
 duplex auto
 speed auto
!
ip classless
ip route 0.0.0.0 0.0.0.0 xx.xx.xx.xx
no ip http server
!
!
!
snmp-server community ewas5300 RO
snmp-server community ewas5300as RW
snmp-server enable traps tty
!
!
voice-port 0:D
 translation-profile incoming CARR3
 input gain 2
 output attenuation -2
 echo-cancel coverage 32
 bearer-cap Speech
 busyout monitor FastEthernet0
!
voice-port 1:D
 translation-profile incoming CARR3
 input gain 2
 output attenuation -2
 echo-cancel coverage 32
 bearer-cap Speech
 busyout monitor FastEthernet0
!
voice-port 2:D
 translation-profile incoming CARR2
 input gain 2
 output attenuation -2
 echo-cancel coverage 32
 bearer-cap Speech
 busyout monitor FastEthernet0
!
voice-port 3:D
 translation-profile incoming CARR1
 input gain 2
 output attenuation -2
 echo-cancel coverage 32
 bearer-cap Speech
 busyout monitor FastEthernet0
!
!
!
dial-peer voice 100 pots
 incoming called-number T
 destination-pattern 88888
 direct-inward-dial
 port 0:D
!
dial-peer voice 110 pots
 incoming called-number T
 destination-pattern 88888
 direct-inward-dial
 port 1:D
!
dial-peer voice 300 voip
 incoming called-number 99999T
 voice-class codec 99
 session protocol sipv2
 dtmf-relay rtp-nte
!
dial-peer voice 400 pots
 trunkgroup CARR-IN
 destination-pattern 1117
 progress_ind setup enable 3
 progress_ind progress enable 8
!
dial-peer voice 310 voip
 incoming called-number 94894#T
 voice-class codec 99
 session protocol sipv2
 dtmf-relay rtp-nte
!
dial-peer voice 410 pots
 trunkgroup TELE34
 destination-pattern 94894#
 progress_ind setup enable 3
 progress_ind progress enable 8
!
dial-peer voice 510 voip
 destination-pattern 90380T
 voice-class codec 510
 session target ipv4:xxx.xxx.xxx.186
!
dial-peer voice 610 voip
 translation-profile outgoing CARR2A
 destination-pattern 7452
 voice-class codec 610
 session protocol sipv2
 session target ipv4:xxx.xxx.xxx.226
!
dial-peer voice 611 voip
 translation-profile outgoing CARR2A
 destination-pattern 7452
 voice-class codec 610
 session protocol sipv2
 session target ipv4:xxx.xxx.xxx.229
!
dial-peer voice 700 voip
 destination-pattern 7236T
 voice-class codec 510
 session target ipv4:xxx.xxx.xxx.202
!
dial-peer voice 200 voip
 translation-profile outgoing CARR3A
 destination-pattern 19937
 voice-class codec 99
 session target ipv4:xxx.xxx.xxx.110
!
dial-peer voice 511 voip
 destination-pattern 90380T
 voice-class codec 510
 session target ipv4:xxx.xxx.xxx.120
!

sip-ua 
!
alias exec sc show call active voice br
alias exec m ter mon
alias exec n ter no mon
alias exec u undebug all
alias exec d debug voip ccapi inout
alias exec tn ter no mon
alias exec stat sh call res voi st
alias exec v sh voice call sum
alias exec t sh isdn stat | inc Total Allocated ISDN CCBs
alias exec g show call h v b | inc dur
alias exec cpu sh processes cpu | incl CPU utilization for five seconds
alias exec ip sh voip rtp connections
alias exec c sh call act voi br
alias exec pid show call act v b | inc pid
alias exec isdn sh isdn st | inc CCBs
alias exec resmon show call resource voice threshold
!
line con 0
 no flush-at-activation
line aux 0
 exec-timeout 0 0
 transport input all
line vty 0 4
 exec-timeout 60 0
 password xxxxxxxxxxxxxx
 login local
!
ntp clock-period xxxxxxxxxx
ntp source FastEthernet0
ntp server 1xxxxxxxxxxxx
!
end