IPIPGW Example

We setup a IPIPGW with 3 gatekeepers and 2 callmanagers.

IPPhone1—Callmanager 1—–GK1———–(IPIPGW/VIAZONEGK)———–GK2———Callmanager2—IPPhone2

GK1 configs:

int lo 0

ip address 172.12.100.1 255.255.255.0 

gatekeeper
 zone local HQ-RTR ipexpert.com 172.12.100.1
 zone remote VIAZONE ipexpert.com 10.12.200.2 1719
 zone prefix VIAZONE 20*
 gw-type-prefix 1#* default-technology
 no shutdown
!

GK2 Configs:

gatekeeper
 zone local LT-RTR ipexpert.com 192.168.10.46
 zone remote VIAZONE ipexpert.com 10.12.200.2 1719
 zone prefix VIAZONE 40*
 gw-type-prefix 1#* default-technology
 no shutdown

IPIPGW config:

 voice service voip
 allow-connections h323 to h323

dial-peer voice 1010 voip
 destination-pattern 20..
 session target ras
 incoming called-number 40..
 dtmf-relay h245-alphanumeric
 codec transparent
!
dial-peer voice 1020 voip
 destination-pattern 40..
 session target ras
 incoming called-number 20..
 dtmf-relay h245-alphanumeric
 codec transparent
!

int fa0/0

ip route-cache same-interface

h323-gateway voip interface
h323-gateway voip id VIAZONE ipaddr 10.12.200.2 1719
h323-gateway voip h323-id PSTNSw
h323-gateway voip tech-prefix 1#

VIAZONE GK Configs:

gatekeeper
 zone local VIAZONE ipexpert.com 10.12.200.2
 zone remote HQ-RTR ipexpert.com 172.12.100.1 1719 invia VIAZONE outvia VIAZONE
 zone remote LT-RTR ipexpert.com 192.168.10.46 1719 invia VIAZONE outvia VIAZON
E
 zone prefix LT-RTR 20*
 zone prefix HQ-RTR 40*
 no shutdown