[cisco-voip] Information on changing your Unity Express IP address

[Paul Choi]

Hello everyone,

I had to change the IP address on a Unity Express
module today and I wanted to share with you the
procedure before I forget.

The client's Unity Express module was pointed towards
a secondary loopback address. Unfortunately that IP
address was not routable through the client's network
so it had to be changed.

1) Remove both service-module ip address and
service-module ip default-gateway statements.

2) Change the ip unnumbered statement to point to the
IP address of the voice VLAN subinterface.

It MUST be done in this order or you WILL encounter
errors.

3) Configure the service-module ip address and
service-module default-gateway statements to your
updated ip addresses.

4) Remove the previous static route statement that was
pointing to the old IP address of Unity Express.

5) Insert a new static route pointing to the ip
address you gave Unity Express under 'service-engine
ip address..."

6) Update your Unity Express pilot number dial-peer so
that its ip address matches with its new assignment.
If you're using VoiceView, you'll have to update the
URLs  for that too underneath 'telephony-service'
assuming you're using CCME like us.

7) Ping Unity Express's new ip address to verify
connectivity.

8) Login to your Unity Express module via the
'service-module service-Engine <#/#> session' command.

9) Examine the configuration file for Unity Express
for any traces of its old ip address.

10) Replace any instance of the old IP address with
the new one.

11) Save the configuration.

12) Logout of the Unity Express module.

13) Save your router's configuration.

14) Reboot the Unity Express module using
'service-module service-Engine <#/#> reload' Check the
status of the Unity Express module with the
'service-module service-Engine <#/#> status' command.

15) Login to the Unity Express GUI(You DO remember the
administrative login and password you set when you
first setup Unity Express, right?). If you experience
some sort of complaint from the GUI that it lost
connectivity to CCME, you need to re-enter the ip
address as well as the CCME administrative password
you have set underneath 'telephony-service' on the
router as 'web admin system .....'

HTH.


 
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