Here is a sample of a MGCP controlled gateway with a working SRST configuration. The interesting element is the translation rule to perform DID manipulation in fall back mode:
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime localtime show-timezone
no service password-encryption
!
boot-start-marker
boot system flash c2801-spservicesk9-mz.124-24.T3.bin
boot-end-marker
!
card type t1 0 0
card type t1 0 2
logging message-counter syslog
logging buffered 32768
enable secret 5 -removed-
!
no aaa new-model
clock timezone EDT -4
network-clock-participate wic 0
network-clock-participate wic 2
network-clock-select 2 T1 0/2/0
network-clock-select 3 T1 0/0/0
dot11 syslog
ip source-route
!
!
no ip dhcp use vrf connected
ip dhcp excluded-address 10.10.33.1 10.10.33.10
!
ip dhcp pool Site1Voice
network 10.10.33.0 255.255.255.0
default-router 10.10.33.1
option 150 ip 10.10.11.10
!
ip cef
ip name-server 192.168.11.10
ip name-server 192.168.11.12
ip multicast-routing
no ipv6 cef
multilink bundle-name authenticated
!
isdn switch-type primary-ni
!
trunk group FXO
!
voice service voip
fax protocol cisco
h323
call preserve
!
voice class codec 1
codec preference 1 g711ulaw
!
voice class h323 1
h225 timeout tcp establish 1
!
voice translation-rule 1
rule 1 /^3910$/ /4101/
rule 2 /^3917$/ /4103/
rule 3 /^3918$/ /4104/
rule 4 /^3926$/ /4102/
rule 5 /^2800$/ /4100/
rule 6 /^39\(..\)$/ /41\1/
!
voice translation-profile ToSite1ForSRST
translate called 1
!
voice-card 0
dsp services dspfarm
!
application
global
service alternate default
!
username -removed- privilege 15 password 0 -removed-
archive
log config
hidekeys
!
controller T1 0/0/0
cablelength long 0db
ds0-group 2 timeslots 13-24 type e&m-delay-dial
description -- LD T1 --
!
controller T1 0/2/0
cablelength long 0db
pri-group timeslots 1-24 service mgcp
description -- LOCAL PRI --
!
ip tftp source-interface FastEthernet0/0
!
class-map match-any VoIP-RTP-Trust
match ip dscp ef
class-map match-any VoIP-Control-Trust
match ip dscp cs3
match ip dscp af31
!
policy-map VOIP-Policy-Trust
class VoIP-RTP-Trust
priority percent 50
class VoIP-Control-Trust
bandwidth percent 10
class class-default
fair-queue
!
interface Loopback1
ip address 10.254.11.3 255.255.255.255
ip pim sparse-dense-mode
!
interface FastEthernet0/0
description -- to port 1 switch 2960 --
ip address 10.10.33.1 255.255.255.0
ip pim sparse-dense-mode
duplex auto
speed auto
no mop enabled
h323-gateway voip interface
h323-gateway voip bind srcaddr 10.10.33.1
!
interface FastEthernet0/1
description -- to port 24 switch 2960 --
ip address 192.168.33.6 255.255.255.0
duplex auto
speed auto
no mop enabled
!
interface Serial0/2/0:23
no ip address
encapsulation hdlc
isdn switch-type primary-ni
isdn incoming-voice voice
isdn bind-l3 ccm-manager
no cdp enable
!
interface Serial0/3/0
description MPLS Qwest
bandwidth 1536
ip address X.X.X.X 255.255.255.252
ip pim sparse-dense-mode
encapsulation ppp
service-policy output VOIP-Policy-Trust
!
router bgp 65XXX
no synchronization
bgp log-neighbor-changes
network 10.10.33.0 mask 255.255.255.0
network X.X.X.X mask 255.255.255.252
neighbor X.X.X.X remote-as XXX
neighbor X.X.X.X soft-reconfiguration inbound
no auto-summary
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 192.168.33.1
ip http server
no ip http secure-server
!
control-plane
!
disable-eadi
!
voice-port 0/0/0:2
echo-cancel coverage 64
!
voice-port 0/2/0:23
echo-cancel coverage 64
!
voice-port 0/1/0
description -Paging-
!
voice-port 0/1/1
!
ccm-manager fallback-mgcp
ccm-manager redundant-host 10.10.11.10
ccm-manager mgcp
no ccm-manager fax protocol cisco
ccm-manager music-on-hold
ccm-manager config server 10.10.11.10
ccm-manager config
!
mgcp
mgcp call-agent 10.10.22.10 2427 service-type mgcp version 0.1
mgcp rtp unreachable timeout 1000 action notify
mgcp modem passthrough voip mode nse
mgcp package-capability rtp-package
mgcp package-capability sst-package
mgcp package-capability pre-package
no mgcp package-capability res-package
no mgcp timer receive-rtcp
mgcp sdp simple
mgcp fax t38 inhibit
mgcp bind control source-interface FastEthernet0/0
mgcp bind media source-interface FastEthernet0/0
!
mgcp profile default
!
sccp local FastEthernet0/0
sccp ccm 10.10.11.10 identifier 1 version 7.0
sccp
!
sccp ccm group 999
bind interface FastEthernet0/0
associate ccm 1 priority 1
associate profile 1 register CONF_Site1
!
dspfarm profile 1 conference
codec g711ulaw
codec g711alaw
codec g729ar8
codec g729abr8
codec g729r8
codec g729br8
maximum sessions 1
associate application SCCP
!
dial-peer voice 20 pots
destination-pattern 9[2-9]......
port 0/2/0:23
forward-digits 7
!
dial-peer voice 30 pots
destination-pattern 4125
port 0/1/0
forward-digits 0
!
dial-peer voice 999010 pots
service mgcpapp
port 0/1/0
!
dial-peer voice 999000991 pots
service mgcpapp
!
dial-peer voice 999000992 pots
service mgcpapp
port 0/0/0:2
!
dial-peer voice 1 pots
translation-profile incoming ToSite1ForSRST
incoming called-number .
direct-inward-dial
port 0/2/0:23
!
dial-peer voice 21 pots
destination-pattern 91[2-9]..[2-9]......
port 0/2/0:23
forward-digits 11
!
dial-peer voice 911 pots
destination-pattern 911
port 0/2/0:23
forward-digits 3
!
dial-peer voice 9911 pots
destination-pattern 9911
port 0/2/0:23
forward-digits 3
!
call-manager-fallback
secondary-dialtone 8
max-conferences 8 gain -6
transfer-system full-consult
timeouts interdigit 5
timeouts busy 30
timeouts ringing 60
ip source-address 10.10.33.1 port 2000
max-ephones 25
max-dn 30 dual-line
system message primary Currently Running in Fall Back
system message secondary FallBack
default-destination 4100
moh Site1.AU
multicast moh 239.1.1.1 port 16384 route 10.254.11.3 10.10.33.1
!
line con 0
line aux 0
line vty 0 4
password -removed-
login
line vty 5 15
password -removed-
login
!
scheduler allocate 20000 1000
end
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