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Cisco Mobile 8.1 Desk Phone Integration


I am having problems with Cisco Mobile 8.1 Desk Phone Integration.

I've got CUCM 7.1.5, and iPhone with Cisco Mobile 8.1. When Desk Phone Integration is disabled, everything works fine. But when I enable it, iPhone returns an error: Verification Timeout. There is no AD integration set on CUCM, password and username are set manually and typed in iPhone correctly.

There is a firewall between Wireless network to which Cisco Mobile connects and CUCM. I think problem might be hiding there. So where can I see the list of rules that must be allowed on firewall for integration to work, if any. And if not, what else can prevent it from working.

Thanks a lot! 

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Cisco Mobile 8.1 Desk Phone Integration

Be sure the CTI port TCP/2748 is allowed. Be careful of application inspection depending on the firewall; it uses CTI-QBE to perform deskphone control.

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