Hi Chinwe.
How did you deploy it could you update your drawing?
In general you need to place one port in the internal lan and the other port to the DMZ on a public ip.
It might also work behind a ALG/NAT-Helper, but no garantee for that.
In addition you have to select the services which should be active on port A/B and
set routes to the correct networks (defaut to the internet, and the lan ranges to the lan port)
Check out:
http://www.cisco.com/en/US/docs/telepresence/infrastructure/mcu/admin_guide/Cisco_TelePresence_MCU_4-4_Product_administration_guide.pdf
Page 156 and following:
Configuring IP routes settings
If the Video Firewall feature is enabled (see Upgrading the firmware), you will need to set up one or more
routing settings to control how IP traffic flows in and out of the MCU.
It is important that these settings are configured correctly, or you may be unable to make calls or access the web interface.
And to be honest, I prefer a deployment with VCS-C and -E (and CUCM)
You say he can not make wan calls, how does he do calls from the MCU,
what is he exactly dialing from where and which symptoms and error messages do you see?
Chinwe: please rate the answers using the stars below the messages and set the thread to answered if it is.
Martin
